Home / 95,425,908.40-143,138,862.60-80,645,287.60

Finding the Fourth Proportional to 95,425,908.40, 143,138,862.60 and 80,645,287.60

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Solution

The fourth proportional to 95,425,908.40, 143,138,862.60 and 80,645,287.60 is: 120,967,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,425,908.40 : 143,138,862.60 = 80,645,287.60 : x
  2. Step 2: Convert to fraction form
    95,425,908.40/143,138,862.60 = 80,645,287.60/x
  3. Step 3: Cross multiply
    95,425,908.40x = 143,138,862.60 × 80,645,287.60
  4. Step 4: Simplify right side
    95,425,908.40x = 11,543,474,741,113,882
  5. Step 5: Solve for x
    x = 11,543,474,741,113,882/95,425,908.40
  6. Step 6: Final answer
    x = 120,967,931.40

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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.