Home / 70,721,933.76-106,082,930.10-31,814,941.08

Finding the Fourth Proportional to 70,721,933.76, 106,082,930.10 and 31,814,941.08

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Solution

The fourth proportional to 70,721,933.76, 106,082,930.10 and 31,814,941.08 is: 47,722,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,721,933.76 : 106,082,930.10 = 31,814,941.08 : x
  2. Step 2: Convert to fraction form
    70,721,933.76/106,082,930.10 = 31,814,941.08/x
  3. Step 3: Cross multiply
    70,721,933.76x = 106,082,930.10 × 31,814,941.08
  4. Step 4: Simplify right side
    70,721,933.76x = 3,375,022,170,725,258
  5. Step 5: Solve for x
    x = 3,375,022,170,725,258/70,721,933.76
  6. Step 6: Final answer
    x = 47,722,424.87

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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.