Home / 53,012,731.20-79,519,096.80-29,960,001.60

Finding the Fourth Proportional to 53,012,731.20, 79,519,096.80 and 29,960,001.60

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Solution

The fourth proportional to 53,012,731.20, 79,519,096.80 and 29,960,001.60 is: 44,940,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,012,731.20 : 79,519,096.80 = 29,960,001.60 : x
  2. Step 2: Convert to fraction form
    53,012,731.20/79,519,096.80 = 29,960,001.60/x
  3. Step 3: Cross multiply
    53,012,731.20x = 79,519,096.80 × 29,960,001.60
  4. Step 4: Simplify right side
    53,012,731.20x = 2,382,392,267,358,555
  5. Step 5: Solve for x
    x = 2,382,392,267,358,555/53,012,731.20
  6. Step 6: Final answer
    x = 44,940,002.40

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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.