Home / 66,979,248.18-92,404,984.05-38,702,937.12

Finding the Fourth Proportional to 66,979,248.18, 92,404,984.05 and 38,702,937.12

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Solution

The fourth proportional to 66,979,248.18, 92,404,984.05 and 38,702,937.12 is: 53,394,810.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,979,248.18 : 92,404,984.05 = 38,702,937.12 : x
  2. Step 2: Convert to fraction form
    66,979,248.18/92,404,984.05 = 38,702,937.12/x
  3. Step 3: Cross multiply
    66,979,248.18x = 92,404,984.05 × 38,702,937.12
  4. Step 4: Simplify right side
    66,979,248.18x = 3,576,344,287,261,752.50
  5. Step 5: Solve for x
    x = 3,576,344,287,261,752.50/66,979,248.18
  6. Step 6: Final answer
    x = 53,394,810.85

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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.