Home / 143,982,045.00-198,695,219.01-77,902,543.27

Finding the Fourth Proportional to 143,982,045.00, 198,695,219.01 and 77,902,543.27

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Solution

The fourth proportional to 143,982,045.00, 198,695,219.01 and 77,902,543.27 is: 107,505,508.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,982,045.00 : 198,695,219.01 = 77,902,543.27 : x
  2. Step 2: Convert to fraction form
    143,982,045.00/198,695,219.01 = 77,902,543.27/x
  3. Step 3: Cross multiply
    143,982,045.00x = 198,695,219.01 × 77,902,543.27
  4. Step 4: Simplify right side
    143,982,045.00x = 15,478,862,896,575,876
  5. Step 5: Solve for x
    x = 15,478,862,896,575,876/143,982,045.00
  6. Step 6: Final answer
    x = 107,505,508.05

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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.