Home / 65,867,000.04-90,866,652.12-39,753,170.28

Finding the Fourth Proportional to 65,867,000.04, 90,866,652.12 and 39,753,170.28

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Solution

The fourth proportional to 65,867,000.04, 90,866,652.12 and 39,753,170.28 is: 54,841,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,867,000.04 : 90,866,652.12 = 39,753,170.28 : x
  2. Step 2: Convert to fraction form
    65,867,000.04/90,866,652.12 = 39,753,170.28/x
  3. Step 3: Cross multiply
    65,867,000.04x = 90,866,652.12 × 39,753,170.28
  4. Step 4: Simplify right side
    65,867,000.04x = 3,612,237,494,499,883.50
  5. Step 5: Solve for x
    x = 3,612,237,494,499,883.50/65,867,000.04
  6. Step 6: Final answer
    x = 54,841,384.80

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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.