Home / 239,041,057.56-329,877,342.63-138,589,016.51

Finding the Fourth Proportional to 239,041,057.56, 329,877,342.63 and 138,589,016.51

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Solution

The fourth proportional to 239,041,057.56, 329,877,342.63 and 138,589,016.51 is: 191,253,238.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,041,057.56 : 329,877,342.63 = 138,589,016.51 : x
  2. Step 2: Convert to fraction form
    239,041,057.56/329,877,342.63 = 138,589,016.51/x
  3. Step 3: Cross multiply
    239,041,057.56x = 329,877,342.63 × 138,589,016.51
  4. Step 4: Simplify right side
    239,041,057.56x = 45,717,376,482,374,608
  5. Step 5: Solve for x
    x = 45,717,376,482,374,608/239,041,057.56
  6. Step 6: Final answer
    x = 191,253,238.87

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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.