Home / 54,049,901.20-81,074,851.80-53,546,016.40

Finding the Fourth Proportional to 54,049,901.20, 81,074,851.80 and 53,546,016.40

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Solution

The fourth proportional to 54,049,901.20, 81,074,851.80 and 53,546,016.40 is: 80,319,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,049,901.20 : 81,074,851.80 = 53,546,016.40 : x
  2. Step 2: Convert to fraction form
    54,049,901.20/81,074,851.80 = 53,546,016.40/x
  3. Step 3: Cross multiply
    54,049,901.20x = 81,074,851.80 × 53,546,016.40
  4. Step 4: Simplify right side
    54,049,901.20x = 4,341,235,344,110,369
  5. Step 5: Solve for x
    x = 4,341,235,344,110,369/54,049,901.20
  6. Step 6: Final answer
    x = 80,319,024.60

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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.