Home / 71,342,199.79-98,452,739.60-38,747,151.79

Finding the Fourth Proportional to 71,342,199.79, 98,452,739.60 and 38,747,151.79

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Solution

The fourth proportional to 71,342,199.79, 98,452,739.60 and 38,747,151.79 is: 53,471,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,342,199.79 : 98,452,739.60 = 38,747,151.79 : x
  2. Step 2: Convert to fraction form
    71,342,199.79/98,452,739.60 = 38,747,151.79/x
  3. Step 3: Cross multiply
    71,342,199.79x = 98,452,739.60 × 38,747,151.79
  4. Step 4: Simplify right side
    71,342,199.79x = 3,814,763,245,228,808
  5. Step 5: Solve for x
    x = 3,814,763,245,228,808/71,342,199.79
  6. Step 6: Final answer
    x = 53,471,343.14

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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.