Home / 125,952,552.80-188,928,829.20-103,557,672.80

Finding the Fourth Proportional to 125,952,552.80, 188,928,829.20 and 103,557,672.80

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Solution

The fourth proportional to 125,952,552.80, 188,928,829.20 and 103,557,672.80 is: 155,336,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,952,552.80 : 188,928,829.20 = 103,557,672.80 : x
  2. Step 2: Convert to fraction form
    125,952,552.80/188,928,829.20 = 103,557,672.80/x
  3. Step 3: Cross multiply
    125,952,552.80x = 188,928,829.20 × 103,557,672.80
  4. Step 4: Simplify right side
    125,952,552.80x = 19,565,029,876,780,684
  5. Step 5: Solve for x
    x = 19,565,029,876,780,684/125,952,552.80
  6. Step 6: Final answer
    x = 155,336,509.20

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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.