Home / 87,308,998.20-130,963,497.30-83,057,470.20

Finding the Fourth Proportional to 87,308,998.20, 130,963,497.30 and 83,057,470.20

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Solution

The fourth proportional to 87,308,998.20, 130,963,497.30 and 83,057,470.20 is: 124,586,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,308,998.20 : 130,963,497.30 = 83,057,470.20 : x
  2. Step 2: Convert to fraction form
    87,308,998.20/130,963,497.30 = 83,057,470.20/x
  3. Step 3: Cross multiply
    87,308,998.20x = 130,963,497.30 × 83,057,470.20
  4. Step 4: Simplify right side
    87,308,998.20x = 10,877,496,774,282,530
  5. Step 5: Solve for x
    x = 10,877,496,774,282,530/87,308,998.20
  6. Step 6: Final answer
    x = 124,586,205.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.