Home / 74,780,229.24-112,176,017.64-20,192,020.36

Finding the Fourth Proportional to 74,780,229.24, 112,176,017.64 and 20,192,020.36

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Solution

The fourth proportional to 74,780,229.24, 112,176,017.64 and 20,192,020.36 is: 30,289,562.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,780,229.24 : 112,176,017.64 = 20,192,020.36 : x
  2. Step 2: Convert to fraction form
    74,780,229.24/112,176,017.64 = 20,192,020.36/x
  3. Step 3: Cross multiply
    74,780,229.24x = 112,176,017.64 × 20,192,020.36
  4. Step 4: Simplify right side
    74,780,229.24x = 2,265,060,432,090,599
  5. Step 5: Solve for x
    x = 2,265,060,432,090,599/74,780,229.24
  6. Step 6: Final answer
    x = 30,289,562.56

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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.