Home / 61,709,750.52-85,168,130.76-38,195,829.42

Finding the Fourth Proportional to 61,709,750.52, 85,168,130.76 and 38,195,829.42

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Solution

The fourth proportional to 61,709,750.52, 85,168,130.76 and 38,195,829.42 is: 52,715,614.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,709,750.52 : 85,168,130.76 = 38,195,829.42 : x
  2. Step 2: Convert to fraction form
    61,709,750.52/85,168,130.76 = 38,195,829.42/x
  3. Step 3: Cross multiply
    61,709,750.52x = 85,168,130.76 × 38,195,829.42
  4. Step 4: Simplify right side
    61,709,750.52x = 3,253,067,394,529,215.50
  5. Step 5: Solve for x
    x = 3,253,067,394,529,215.50/61,709,750.52
  6. Step 6: Final answer
    x = 52,715,614.10

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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.