Home / 124,838,978.20-187,258,467.30-61,137,986.20

Finding the Fourth Proportional to 124,838,978.20, 187,258,467.30 and 61,137,986.20

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Solution

The fourth proportional to 124,838,978.20, 187,258,467.30 and 61,137,986.20 is: 91,706,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,838,978.20 : 187,258,467.30 = 61,137,986.20 : x
  2. Step 2: Convert to fraction form
    124,838,978.20/187,258,467.30 = 61,137,986.20/x
  3. Step 3: Cross multiply
    124,838,978.20x = 187,258,467.30 × 61,137,986.20
  4. Step 4: Simplify right side
    124,838,978.20x = 11,448,605,589,620,552
  5. Step 5: Solve for x
    x = 11,448,605,589,620,552/124,838,978.20
  6. Step 6: Final answer
    x = 91,706,979.30

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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.