Home / 67,419,835.28-93,013,649.42-40,948,203.77

Finding the Fourth Proportional to 67,419,835.28, 93,013,649.42 and 40,948,203.77

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Solution

The fourth proportional to 67,419,835.28, 93,013,649.42 and 40,948,203.77 is: 56,492,897.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,419,835.28 : 93,013,649.42 = 40,948,203.77 : x
  2. Step 2: Convert to fraction form
    67,419,835.28/93,013,649.42 = 40,948,203.77/x
  3. Step 3: Cross multiply
    67,419,835.28x = 93,013,649.42 × 40,948,203.77
  4. Step 4: Simplify right side
    67,419,835.28x = 3,808,741,869,841,502.50
  5. Step 5: Solve for x
    x = 3,808,741,869,841,502.50/67,419,835.28
  6. Step 6: Final answer
    x = 56,492,897.88

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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.