Home / 91,570,175,999.40-137,355,263,999.10-76,876,895,231.40

Finding the Fourth Proportional to 91,570,175,999.40, 137,355,263,999.10 and 76,876,895,231.40

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Solution

The fourth proportional to 91,570,175,999.40, 137,355,263,999.10 and 76,876,895,231.40 is: 115,315,342,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,570,175,999.40 : 137,355,263,999.10 = 76,876,895,231.40 : x
  2. Step 2: Convert to fraction form
    91,570,175,999.40/137,355,263,999.10 = 76,876,895,231.40/x
  3. Step 3: Cross multiply
    91,570,175,999.40x = 137,355,263,999.10 × 76,876,895,231.40
  4. Step 4: Simplify right side
    91,570,175,999.40x = 10,559,446,239,940,098,129,920
  5. Step 5: Solve for x
    x = 10,559,446,239,940,098,129,920/91,570,175,999.40
  6. Step 6: Final answer
    x = 115,315,342,847.10

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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.