Home / 115,292,725.20-159,103,855.80-63,081,978.48

Finding the Fourth Proportional to 115,292,725.20, 159,103,855.80 and 63,081,978.48

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Solution

The fourth proportional to 115,292,725.20, 159,103,855.80 and 63,081,978.48 is: 87,053,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,292,725.20 : 159,103,855.80 = 63,081,978.48 : x
  2. Step 2: Convert to fraction form
    115,292,725.20/159,103,855.80 = 63,081,978.48/x
  3. Step 3: Cross multiply
    115,292,725.20x = 159,103,855.80 × 63,081,978.48
  4. Step 4: Simplify right side
    115,292,725.20x = 10,036,586,007,660,624
  5. Step 5: Solve for x
    x = 10,036,586,007,660,624/115,292,725.20
  6. Step 6: Final answer
    x = 87,053,072.87

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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.