Home / 90,992,420.70-136,488,631.05-50,602,904.70

Finding the Fourth Proportional to 90,992,420.70, 136,488,631.05 and 50,602,904.70

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Solution

The fourth proportional to 90,992,420.70, 136,488,631.05 and 50,602,904.70 is: 75,904,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,992,420.70 : 136,488,631.05 = 50,602,904.70 : x
  2. Step 2: Convert to fraction form
    90,992,420.70/136,488,631.05 = 50,602,904.70/x
  3. Step 3: Cross multiply
    90,992,420.70x = 136,488,631.05 × 50,602,904.70
  4. Step 4: Simplify right side
    90,992,420.70x = 6,906,721,189,656,612
  5. Step 5: Solve for x
    x = 6,906,721,189,656,612/90,992,420.70
  6. Step 6: Final answer
    x = 75,904,357.05

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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.