Home / 102,456,040.80-153,684,061.20-41,915,215.20

Finding the Fourth Proportional to 102,456,040.80, 153,684,061.20 and 41,915,215.20

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Solution

The fourth proportional to 102,456,040.80, 153,684,061.20 and 41,915,215.20 is: 62,872,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,456,040.80 : 153,684,061.20 = 41,915,215.20 : x
  2. Step 2: Convert to fraction form
    102,456,040.80/153,684,061.20 = 41,915,215.20/x
  3. Step 3: Cross multiply
    102,456,040.80x = 153,684,061.20 × 41,915,215.20
  4. Step 4: Simplify right side
    102,456,040.80x = 6,441,700,498,007,970
  5. Step 5: Solve for x
    x = 6,441,700,498,007,970/102,456,040.80
  6. Step 6: Final answer
    x = 62,872,822.80

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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.