Home / 123,024,279.90-184,536,419.85-71,879,972.70

Finding the Fourth Proportional to 123,024,279.90, 184,536,419.85 and 71,879,972.70

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Solution

The fourth proportional to 123,024,279.90, 184,536,419.85 and 71,879,972.70 is: 107,819,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,024,279.90 : 184,536,419.85 = 71,879,972.70 : x
  2. Step 2: Convert to fraction form
    123,024,279.90/184,536,419.85 = 71,879,972.70/x
  3. Step 3: Cross multiply
    123,024,279.90x = 184,536,419.85 × 71,879,972.70
  4. Step 4: Simplify right side
    123,024,279.90x = 13,264,472,820,973,738
  5. Step 5: Solve for x
    x = 13,264,472,820,973,738/123,024,279.90
  6. Step 6: Final answer
    x = 107,819,959.05

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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.