Home / 87,916,685.92-121,308,984.50-50,733,401.20

Finding the Fourth Proportional to 87,916,685.92, 121,308,984.50 and 50,733,401.20

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Solution

The fourth proportional to 87,916,685.92, 121,308,984.50 and 50,733,401.20 is: 70,002,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,916,685.92 : 121,308,984.50 = 50,733,401.20 : x
  2. Step 2: Convert to fraction form
    87,916,685.92/121,308,984.50 = 50,733,401.20/x
  3. Step 3: Cross multiply
    87,916,685.92x = 121,308,984.50 × 50,733,401.20
  4. Step 4: Simplify right side
    87,916,685.92x = 6,154,417,379,803,082
  5. Step 5: Solve for x
    x = 6,154,417,379,803,082/87,916,685.92
  6. Step 6: Final answer
    x = 70,002,836.38

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1.5x scale

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.