Home / 65,194,540.40-97,791,810.60-39,366,507.80

Finding the Fourth Proportional to 65,194,540.40, 97,791,810.60 and 39,366,507.80

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Solution

The fourth proportional to 65,194,540.40, 97,791,810.60 and 39,366,507.80 is: 59,049,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,194,540.40 : 97,791,810.60 = 39,366,507.80 : x
  2. Step 2: Convert to fraction form
    65,194,540.40/97,791,810.60 = 39,366,507.80/x
  3. Step 3: Cross multiply
    65,194,540.40x = 97,791,810.60 × 39,366,507.80
  4. Step 4: Simplify right side
    65,194,540.40x = 3,849,722,074,761,022
  5. Step 5: Solve for x
    x = 3,849,722,074,761,022/65,194,540.40
  6. Step 6: Final answer
    x = 59,049,761.70

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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.