Home / 131,689,998.15-197,579,097.47-43,062,656.03

Finding the Fourth Proportional to 131,689,998.15, 197,579,097.47 and 43,062,656.03

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Solution

The fourth proportional to 131,689,998.15, 197,579,097.47 and 43,062,656.03 is: 64,608,404.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,689,998.15 : 197,579,097.47 = 43,062,656.03 : x
  2. Step 2: Convert to fraction form
    131,689,998.15/197,579,097.47 = 43,062,656.03/x
  3. Step 3: Cross multiply
    131,689,998.15x = 197,579,097.47 × 43,062,656.03
  4. Step 4: Simplify right side
    131,689,998.15x = 8,508,280,712,687,089
  5. Step 5: Solve for x
    x = 8,508,280,712,687,089/131,689,998.15
  6. Step 6: Final answer
    x = 64,608,404.83

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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.