Home / 124,182,198.04-171,380,490.78-71,984,709.40

Finding the Fourth Proportional to 124,182,198.04, 171,380,490.78 and 71,984,709.40

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Solution

The fourth proportional to 124,182,198.04, 171,380,490.78 and 71,984,709.40 is: 99,344,149.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,182,198.04 : 171,380,490.78 = 71,984,709.40 : x
  2. Step 2: Convert to fraction form
    124,182,198.04/171,380,490.78 = 71,984,709.40/x
  3. Step 3: Cross multiply
    124,182,198.04x = 171,380,490.78 × 71,984,709.40
  4. Step 4: Simplify right side
    124,182,198.04x = 12,336,774,825,627,680
  5. Step 5: Solve for x
    x = 12,336,774,825,627,680/124,182,198.04
  6. Step 6: Final answer
    x = 99,344,149.33

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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.