Home / 71,975,454.56-99,325,828.11-38,935,622.24

Finding the Fourth Proportional to 71,975,454.56, 99,325,828.11 and 38,935,622.24

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Solution

The fourth proportional to 71,975,454.56, 99,325,828.11 and 38,935,622.24 is: 53,730,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,975,454.56 : 99,325,828.11 = 38,935,622.24 : x
  2. Step 2: Convert to fraction form
    71,975,454.56/99,325,828.11 = 38,935,622.24/x
  3. Step 3: Cross multiply
    71,975,454.56x = 99,325,828.11 × 38,935,622.24
  4. Step 4: Simplify right side
    71,975,454.56x = 3,867,312,921,987,984.50
  5. Step 5: Solve for x
    x = 3,867,312,921,987,984.50/71,975,454.56
  6. Step 6: Final answer
    x = 53,730,996.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.