Home / 42,126,129.86-58,134,138.26-23,541,270.12

Finding the Fourth Proportional to 42,126,129.86, 58,134,138.26 and 23,541,270.12

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Solution

The fourth proportional to 42,126,129.86, 58,134,138.26 and 23,541,270.12 is: 32,486,996.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,126,129.86 : 58,134,138.26 = 23,541,270.12 : x
  2. Step 2: Convert to fraction form
    42,126,129.86/58,134,138.26 = 23,541,270.12/x
  3. Step 3: Cross multiply
    42,126,129.86x = 58,134,138.26 × 23,541,270.12
  4. Step 4: Simplify right side
    42,126,129.86x = 1,368,551,451,854,380.50
  5. Step 5: Solve for x
    x = 1,368,551,451,854,380.50/42,126,129.86
  6. Step 6: Final answer
    x = 32,486,996.94

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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.