Home / 91,570,179,366.90-137,355,269,050.35-90,989,704,077.30

Finding the Fourth Proportional to 91,570,179,366.90, 137,355,269,050.35 and 90,989,704,077.30

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Solution

The fourth proportional to 91,570,179,366.90, 137,355,269,050.35 and 90,989,704,077.30 is: 136,484,556,115.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,570,179,366.90 : 137,355,269,050.35 = 90,989,704,077.30 : x
  2. Step 2: Convert to fraction form
    91,570,179,366.90/137,355,269,050.35 = 90,989,704,077.30/x
  3. Step 3: Cross multiply
    91,570,179,366.90x = 137,355,269,050.35 × 90,989,704,077.30
  4. Step 4: Simplify right side
    91,570,179,366.90x = 12,497,915,284,349,270,360,064
  5. Step 5: Solve for x
    x = 12,497,915,284,349,270,360,064/91,570,179,366.90
  6. Step 6: Final answer
    x = 136,484,556,115.95

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Double scale
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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.