Home / 123,020,508.15-184,404,791.03-71,876,200.95

Finding the Fourth Proportional to 123,020,508.15, 184,404,791.03 and 71,876,200.95

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Solution

The fourth proportional to 123,020,508.15, 184,404,791.03 and 71,876,200.95 is: 107,740,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,020,508.15 : 184,404,791.03 = 71,876,200.95 : x
  2. Step 2: Convert to fraction form
    123,020,508.15/184,404,791.03 = 71,876,200.95/x
  3. Step 3: Cross multiply
    123,020,508.15x = 184,404,791.03 × 71,876,200.95
  4. Step 4: Simplify right side
    123,020,508.15x = 13,254,315,815,855,658
  5. Step 5: Solve for x
    x = 13,254,315,815,855,658/123,020,508.15
  6. Step 6: Final answer
    x = 107,740,701.25

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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.