Home / 240,442,348.86-331,811,079.89-130,434,061.86

Finding the Fourth Proportional to 240,442,348.86, 331,811,079.89 and 130,434,061.86

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Solution

The fourth proportional to 240,442,348.86, 331,811,079.89 and 130,434,061.86 is: 179,999,351.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,442,348.86 : 331,811,079.89 = 130,434,061.86 : x
  2. Step 2: Convert to fraction form
    240,442,348.86/331,811,079.89 = 130,434,061.86/x
  3. Step 3: Cross multiply
    240,442,348.86x = 331,811,079.89 × 130,434,061.86
  4. Step 4: Simplify right side
    240,442,348.86x = 43,279,466,919,553,488
  5. Step 5: Solve for x
    x = 43,279,466,919,553,488/240,442,348.86
  6. Step 6: Final answer
    x = 179,999,351.71

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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.