Home / 48,249,287.20-72,373,930.80-21,375,431.20

Finding the Fourth Proportional to 48,249,287.20, 72,373,930.80 and 21,375,431.20

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Solution

The fourth proportional to 48,249,287.20, 72,373,930.80 and 21,375,431.20 is: 32,063,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,249,287.20 : 72,373,930.80 = 21,375,431.20 : x
  2. Step 2: Convert to fraction form
    48,249,287.20/72,373,930.80 = 21,375,431.20/x
  3. Step 3: Cross multiply
    48,249,287.20x = 72,373,930.80 × 21,375,431.20
  4. Step 4: Simplify right side
    48,249,287.20x = 1,547,023,978,488,960.75
  5. Step 5: Solve for x
    x = 1,547,023,978,488,960.75/48,249,287.20
  6. Step 6: Final answer
    x = 32,063,146.80

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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.