Home / 79,781,567.90-119,672,351.85-31,243,289.90

Finding the Fourth Proportional to 79,781,567.90, 119,672,351.85 and 31,243,289.90

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Solution

The fourth proportional to 79,781,567.90, 119,672,351.85 and 31,243,289.90 is: 46,864,934.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,781,567.90 : 119,672,351.85 = 31,243,289.90 : x
  2. Step 2: Convert to fraction form
    79,781,567.90/119,672,351.85 = 31,243,289.90/x
  3. Step 3: Cross multiply
    79,781,567.90x = 119,672,351.85 × 31,243,289.90
  4. Step 4: Simplify right side
    79,781,567.90x = 3,738,957,981,864,351
  5. Step 5: Solve for x
    x = 3,738,957,981,864,351/79,781,567.90
  6. Step 6: Final answer
    x = 46,864,934.85

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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.