Home / 239,041,050.78-329,877,333.24-138,589,009.74

Finding the Fourth Proportional to 239,041,050.78, 329,877,333.24 and 138,589,009.74

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Solution

The fourth proportional to 239,041,050.78, 329,877,333.24 and 138,589,009.74 is: 191,253,229.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,041,050.78 : 329,877,333.24 = 138,589,009.74 : x
  2. Step 2: Convert to fraction form
    239,041,050.78/329,877,333.24 = 138,589,009.74/x
  3. Step 3: Cross multiply
    239,041,050.78x = 329,877,333.24 × 138,589,009.74
  4. Step 4: Simplify right side
    239,041,050.78x = 45,717,372,949,403,592
  5. Step 5: Solve for x
    x = 45,717,372,949,403,592/239,041,050.78
  6. Step 6: Final answer
    x = 191,253,229.52

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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.