Home / 91,701,337.80-137,552,006.70-61,090,336.20

Finding the Fourth Proportional to 91,701,337.80, 137,552,006.70 and 61,090,336.20

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Solution

The fourth proportional to 91,701,337.80, 137,552,006.70 and 61,090,336.20 is: 91,635,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,701,337.80 : 137,552,006.70 = 61,090,336.20 : x
  2. Step 2: Convert to fraction form
    91,701,337.80/137,552,006.70 = 61,090,336.20/x
  3. Step 3: Cross multiply
    91,701,337.80x = 137,552,006.70 × 61,090,336.20
  4. Step 4: Simplify right side
    91,701,337.80x = 8,403,098,334,287,652
  5. Step 5: Solve for x
    x = 8,403,098,334,287,652/91,701,337.80
  6. Step 6: Final answer
    x = 91,635,504.30

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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.