Home / 123,005,513.20-184,510,456.80-36,744,984.40

Finding the Fourth Proportional to 123,005,513.20, 184,510,456.80 and 36,744,984.40

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Solution

The fourth proportional to 123,005,513.20, 184,510,456.80 and 36,744,984.40 is: 55,118,129.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,005,513.20 : 184,510,456.80 = 36,744,984.40 : x
  2. Step 2: Convert to fraction form
    123,005,513.20/184,510,456.80 = 36,744,984.40/x
  3. Step 3: Cross multiply
    123,005,513.20x = 184,510,456.80 × 36,744,984.40
  4. Step 4: Simplify right side
    123,005,513.20x = 6,779,833,856,752,874
  5. Step 5: Solve for x
    x = 6,779,833,856,752,874/123,005,513.20
  6. Step 6: Final answer
    x = 55,118,129.91

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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.