Home / 74,917,833.04-112,376,793.40-21,065,145.04

Finding the Fourth Proportional to 74,917,833.04, 112,376,793.40 and 21,065,145.04

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Solution

The fourth proportional to 74,917,833.04, 112,376,793.40 and 21,065,145.04 is: 31,597,729.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,917,833.04 : 112,376,793.40 = 21,065,145.04 : x
  2. Step 2: Convert to fraction form
    74,917,833.04/112,376,793.40 = 21,065,145.04/x
  3. Step 3: Cross multiply
    74,917,833.04x = 112,376,793.40 × 21,065,145.04
  4. Step 4: Simplify right side
    74,917,833.04x = 2,367,233,452,101,115
  5. Step 5: Solve for x
    x = 2,367,233,452,101,115/74,917,833.04
  6. Step 6: Final answer
    x = 31,597,729.89

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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.