Home / 91,651,501,165.92-126,472,234,272.48-51,545,732,144.64

Finding the Fourth Proportional to 91,651,501,165.92, 126,472,234,272.48 and 51,545,732,144.64

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Solution

The fourth proportional to 91,651,501,165.92, 126,472,234,272.48 and 51,545,732,144.64 is: 71,129,264,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,651,501,165.92 : 126,472,234,272.48 = 51,545,732,144.64 : x
  2. Step 2: Convert to fraction form
    91,651,501,165.92/126,472,234,272.48 = 51,545,732,144.64/x
  3. Step 3: Cross multiply
    91,651,501,165.92x = 126,472,234,272.48 × 51,545,732,144.64
  4. Step 4: Simplify right side
    91,651,501,165.92x = 6,519,103,911,543,413,145,600
  5. Step 5: Solve for x
    x = 6,519,103,911,543,413,145,600/91,651,501,165.92
  6. Step 6: Final answer
    x = 71,129,264,972.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.