Home / 100,282,924.70-138,419,133.90-59,053,731.92

Finding the Fourth Proportional to 100,282,924.70, 138,419,133.90 and 59,053,731.92

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Solution

The fourth proportional to 100,282,924.70, 138,419,133.90 and 59,053,731.92 is: 81,511,049.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,282,924.70 : 138,419,133.90 = 59,053,731.92 : x
  2. Step 2: Convert to fraction form
    100,282,924.70/138,419,133.90 = 59,053,731.92/x
  3. Step 3: Cross multiply
    100,282,924.70x = 138,419,133.90 × 59,053,731.92
  4. Step 4: Simplify right side
    100,282,924.70x = 8,174,166,425,929,185
  5. Step 5: Solve for x
    x = 8,174,166,425,929,185/100,282,924.70
  6. Step 6: Final answer
    x = 81,511,049.37

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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.