Home / 239,041,056.06-329,877,340.56-138,589,015.01

Finding the Fourth Proportional to 239,041,056.06, 329,877,340.56 and 138,589,015.01

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Solution

The fourth proportional to 239,041,056.06, 329,877,340.56 and 138,589,015.01 is: 191,253,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,041,056.06 : 329,877,340.56 = 138,589,015.01 : x
  2. Step 2: Convert to fraction form
    239,041,056.06/329,877,340.56 = 138,589,015.01/x
  3. Step 3: Cross multiply
    239,041,056.06x = 329,877,340.56 × 138,589,015.01
  4. Step 4: Simplify right side
    239,041,056.06x = 45,717,375,700,679,336
  5. Step 5: Solve for x
    x = 45,717,375,700,679,336/239,041,056.06
  6. Step 6: Final answer
    x = 191,253,236.80

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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.