Home / 123,024,115.40-184,536,173.10-71,879,808.20

Finding the Fourth Proportional to 123,024,115.40, 184,536,173.10 and 71,879,808.20

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Solution

The fourth proportional to 123,024,115.40, 184,536,173.10 and 71,879,808.20 is: 107,819,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,024,115.40 : 184,536,173.10 = 71,879,808.20 : x
  2. Step 2: Convert to fraction form
    123,024,115.40/184,536,173.10 = 71,879,808.20/x
  3. Step 3: Cross multiply
    123,024,115.40x = 184,536,173.10 × 71,879,808.20
  4. Step 4: Simplify right side
    123,024,115.40x = 13,264,424,728,390,000
  5. Step 5: Solve for x
    x = 13,264,424,728,390,000/123,024,115.40
  6. Step 6: Final answer
    x = 107,819,712.30

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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.