Home / 100,282,924.20-138,419,133.21-59,053,731.42

Finding the Fourth Proportional to 100,282,924.20, 138,419,133.21 and 59,053,731.42

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Solution

The fourth proportional to 100,282,924.20, 138,419,133.21 and 59,053,731.42 is: 81,511,048.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,282,924.20 : 138,419,133.21 = 59,053,731.42 : x
  2. Step 2: Convert to fraction form
    100,282,924.20/138,419,133.21 = 59,053,731.42/x
  3. Step 3: Cross multiply
    100,282,924.20x = 138,419,133.21 × 59,053,731.42
  4. Step 4: Simplify right side
    100,282,924.20x = 8,174,166,315,972,543
  5. Step 5: Solve for x
    x = 8,174,166,315,972,543/100,282,924.20
  6. Step 6: Final answer
    x = 81,511,048.68

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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.