Home / 124,438,699.40-186,667,017.28-47,761,727.60

Finding the Fourth Proportional to 124,438,699.40, 186,667,017.28 and 47,761,727.60

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Solution

The fourth proportional to 124,438,699.40, 186,667,017.28 and 47,761,727.60 is: 71,646,033.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,438,699.40 : 186,667,017.28 = 47,761,727.60 : x
  2. Step 2: Convert to fraction form
    124,438,699.40/186,667,017.28 = 47,761,727.60/x
  3. Step 3: Cross multiply
    124,438,699.40x = 186,667,017.28 × 47,761,727.60
  4. Step 4: Simplify right side
    124,438,699.40x = 8,915,539,231,231,853
  5. Step 5: Solve for x
    x = 8,915,539,231,231,853/124,438,699.40
  6. Step 6: Final answer
    x = 71,646,033.54

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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.