Home / 66,341,472-99,287,491.20-40,798,682.88

Finding the Fourth Proportional to 66,341,472, 99,287,491.20 and 40,798,682.88

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Solution

The fourth proportional to 66,341,472, 99,287,491.20 and 40,798,682.88 is: 61,059,827.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,341,472 : 99,287,491.20 = 40,798,682.88 : x
  2. Step 2: Convert to fraction form
    66,341,472/99,287,491.20 = 40,798,682.88/x
  3. Step 3: Cross multiply
    66,341,472x = 99,287,491.20 × 40,798,682.88
  4. Step 4: Simplify right side
    66,341,472x = 4,050,798,867,419,591
  5. Step 5: Solve for x
    x = 4,050,798,867,419,591/66,341,472
  6. Step 6: Final answer
    x = 61,059,827.97

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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.