Home / 91,570,179,674.40-137,355,269,511.60-90,989,704,384.80

Finding the Fourth Proportional to 91,570,179,674.40, 137,355,269,511.60 and 90,989,704,384.80

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Solution

The fourth proportional to 91,570,179,674.40, 137,355,269,511.60 and 90,989,704,384.80 is: 136,484,556,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,570,179,674.40 : 137,355,269,511.60 = 90,989,704,384.80 : x
  2. Step 2: Convert to fraction form
    91,570,179,674.40/137,355,269,511.60 = 90,989,704,384.80/x
  3. Step 3: Cross multiply
    91,570,179,674.40x = 137,355,269,511.60 × 90,989,704,384.80
  4. Step 4: Simplify right side
    91,570,179,674.40x = 12,497,915,368,555,017,142,272
  5. Step 5: Solve for x
    x = 12,497,915,368,555,017,142,272/91,570,179,674.40
  6. Step 6: Final answer
    x = 136,484,556,577.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.