Home / 48,270,643.20-72,386,719.20-15,913,540.80

Finding the Fourth Proportional to 48,270,643.20, 72,386,719.20 and 15,913,540.80

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Solution

The fourth proportional to 48,270,643.20, 72,386,719.20 and 15,913,540.80 is: 23,863,966.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,270,643.20 : 72,386,719.20 = 15,913,540.80 : x
  2. Step 2: Convert to fraction form
    48,270,643.20/72,386,719.20 = 15,913,540.80/x
  3. Step 3: Cross multiply
    48,270,643.20x = 72,386,719.20 × 15,913,540.80
  4. Step 4: Simplify right side
    48,270,643.20x = 1,151,929,009,367,343.50
  5. Step 5: Solve for x
    x = 1,151,929,009,367,343.50/48,270,643.20
  6. Step 6: Final answer
    x = 23,863,966.44

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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.