Home / 53,680,070.40-80,520,105.60-13,290,554.88

Finding the Fourth Proportional to 53,680,070.40, 80,520,105.60 and 13,290,554.88

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Solution

The fourth proportional to 53,680,070.40, 80,520,105.60 and 13,290,554.88 is: 19,935,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,680,070.40 : 80,520,105.60 = 13,290,554.88 : x
  2. Step 2: Convert to fraction form
    53,680,070.40/80,520,105.60 = 13,290,554.88/x
  3. Step 3: Cross multiply
    53,680,070.40x = 80,520,105.60 × 13,290,554.88
  4. Step 4: Simplify right side
    53,680,070.40x = 1,070,156,882,420,195.38
  5. Step 5: Solve for x
    x = 1,070,156,882,420,195.38/53,680,070.40
  6. Step 6: Final answer
    x = 19,935,832.32

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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.