Home / 87,553,337.40-120,823,592.49-47,861,015.13

Finding the Fourth Proportional to 87,553,337.40, 120,823,592.49 and 47,861,015.13

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Solution

The fourth proportional to 87,553,337.40, 120,823,592.49 and 47,861,015.13 is: 66,048,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,553,337.40 : 120,823,592.49 = 47,861,015.13 : x
  2. Step 2: Convert to fraction form
    87,553,337.40/120,823,592.49 = 47,861,015.13/x
  3. Step 3: Cross multiply
    87,553,337.40x = 120,823,592.49 × 47,861,015.13
  4. Step 4: Simplify right side
    87,553,337.40x = 5,782,739,788,224,844
  5. Step 5: Solve for x
    x = 5,782,739,788,224,844/87,553,337.40
  6. Step 6: Final answer
    x = 66,048,193.71

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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.