Home / 124,838,979.20-187,258,468.80-61,137,987.20

Finding the Fourth Proportional to 124,838,979.20, 187,258,468.80 and 61,137,987.20

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Solution

The fourth proportional to 124,838,979.20, 187,258,468.80 and 61,137,987.20 is: 91,706,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,838,979.20 : 187,258,468.80 = 61,137,987.20 : x
  2. Step 2: Convert to fraction form
    124,838,979.20/187,258,468.80 = 61,137,987.20/x
  3. Step 3: Cross multiply
    124,838,979.20x = 187,258,468.80 × 61,137,987.20
  4. Step 4: Simplify right side
    124,838,979.20x = 11,448,605,868,586,000
  5. Step 5: Solve for x
    x = 11,448,605,868,586,000/124,838,979.20
  6. Step 6: Final answer
    x = 91,706,980.80

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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.