Home / 83,786,384.52-125,678,312.10-37,695,705.84

Finding the Fourth Proportional to 83,786,384.52, 125,678,312.10 and 37,695,705.84

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Solution

The fourth proportional to 83,786,384.52, 125,678,312.10 and 37,695,705.84 is: 56,542,989.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,786,384.52 : 125,678,312.10 = 37,695,705.84 : x
  2. Step 2: Convert to fraction form
    83,786,384.52/125,678,312.10 = 37,695,705.84/x
  3. Step 3: Cross multiply
    83,786,384.52x = 125,678,312.10 × 37,695,705.84
  4. Step 4: Simplify right side
    83,786,384.52x = 4,737,532,683,389,313
  5. Step 5: Solve for x
    x = 4,737,532,683,389,313/83,786,384.52
  6. Step 6: Final answer
    x = 56,542,989.78

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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.