Home / 388,312,132.20-582,468,203.15-93,207,251.31

Finding the Fourth Proportional to 388,312,132.20, 582,468,203.15 and 93,207,251.31

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Solution

The fourth proportional to 388,312,132.20, 582,468,203.15 and 93,207,251.31 is: 139,810,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,312,132.20 : 582,468,203.15 = 93,207,251.31 : x
  2. Step 2: Convert to fraction form
    388,312,132.20/582,468,203.15 = 93,207,251.31/x
  3. Step 3: Cross multiply
    388,312,132.20x = 582,468,203.15 × 93,207,251.31
  4. Step 4: Simplify right side
    388,312,132.20x = 54,290,260,191,086,184
  5. Step 5: Solve for x
    x = 54,290,260,191,086,184/388,312,132.20
  6. Step 6: Final answer
    x = 139,810,878.13

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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.