Home / 78,008,925.15-117,013,387.73-37,698,141.15

Finding the Fourth Proportional to 78,008,925.15, 117,013,387.73 and 37,698,141.15

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Solution

The fourth proportional to 78,008,925.15, 117,013,387.73 and 37,698,141.15 is: 56,547,211.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,008,925.15 : 117,013,387.73 = 37,698,141.15 : x
  2. Step 2: Convert to fraction form
    78,008,925.15/117,013,387.73 = 37,698,141.15/x
  3. Step 3: Cross multiply
    78,008,925.15x = 117,013,387.73 × 37,698,141.15
  4. Step 4: Simplify right side
    78,008,925.15x = 4,411,187,206,896,727
  5. Step 5: Solve for x
    x = 4,411,187,206,896,727/78,008,925.15
  6. Step 6: Final answer
    x = 56,547,211.73

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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.