Home / 61,709,756.52-85,168,139.04-38,195,835.42

Finding the Fourth Proportional to 61,709,756.52, 85,168,139.04 and 38,195,835.42

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Solution

The fourth proportional to 61,709,756.52, 85,168,139.04 and 38,195,835.42 is: 52,715,622.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,709,756.52 : 85,168,139.04 = 38,195,835.42 : x
  2. Step 2: Convert to fraction form
    61,709,756.52/85,168,139.04 = 38,195,835.42/x
  3. Step 3: Cross multiply
    61,709,756.52x = 85,168,139.04 × 38,195,835.42
  4. Step 4: Simplify right side
    61,709,756.52x = 3,253,068,221,799,517
  5. Step 5: Solve for x
    x = 3,253,068,221,799,517/61,709,756.52
  6. Step 6: Final answer
    x = 52,715,622.38

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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.