Home / 75,212,001.59-103,754,363.25-49,121,791.43

Finding the Fourth Proportional to 75,212,001.59, 103,754,363.25 and 49,121,791.43

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Solution

The fourth proportional to 75,212,001.59, 103,754,363.25 and 49,121,791.43 is: 67,763,124.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,212,001.59 : 103,754,363.25 = 49,121,791.43 : x
  2. Step 2: Convert to fraction form
    75,212,001.59/103,754,363.25 = 49,121,791.43/x
  3. Step 3: Cross multiply
    75,212,001.59x = 103,754,363.25 × 49,121,791.43
  4. Step 4: Simplify right side
    75,212,001.59x = 5,096,600,191,778,343
  5. Step 5: Solve for x
    x = 5,096,600,191,778,343/75,212,001.59
  6. Step 6: Final answer
    x = 67,763,124.02

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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.