Home / 143,791,350.30-215,687,025.45-109,779,126.30

Finding the Fourth Proportional to 143,791,350.30, 215,687,025.45 and 109,779,126.30

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Solution

The fourth proportional to 143,791,350.30, 215,687,025.45 and 109,779,126.30 is: 164,668,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,791,350.30 : 215,687,025.45 = 109,779,126.30 : x
  2. Step 2: Convert to fraction form
    143,791,350.30/215,687,025.45 = 109,779,126.30/x
  3. Step 3: Cross multiply
    143,791,350.30x = 215,687,025.45 × 109,779,126.30
  4. Step 4: Simplify right side
    143,791,350.30x = 23,677,933,208,146,864
  5. Step 5: Solve for x
    x = 23,677,933,208,146,864/143,791,350.30
  6. Step 6: Final answer
    x = 164,668,689.45

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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.