Home / 87,634,332.90-120,906,006.17-50,463,811.98

Finding the Fourth Proportional to 87,634,332.90, 120,906,006.17 and 50,463,811.98

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Solution

The fourth proportional to 87,634,332.90, 120,906,006.17 and 50,463,811.98 is: 69,623,146.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,634,332.90 : 120,906,006.17 = 50,463,811.98 : x
  2. Step 2: Convert to fraction form
    87,634,332.90/120,906,006.17 = 50,463,811.98/x
  3. Step 3: Cross multiply
    87,634,332.90x = 120,906,006.17 × 50,463,811.98
  4. Step 4: Simplify right side
    87,634,332.90x = 6,101,377,962,363,281
  5. Step 5: Solve for x
    x = 6,101,377,962,363,281/87,634,332.90
  6. Step 6: Final answer
    x = 69,623,146.09

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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.