Home / 123,014,747.20-184,522,120.80-99,126,875.20

Finding the Fourth Proportional to 123,014,747.20, 184,522,120.80 and 99,126,875.20

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Solution

The fourth proportional to 123,014,747.20, 184,522,120.80 and 99,126,875.20 is: 148,690,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,014,747.20 : 184,522,120.80 = 99,126,875.20 : x
  2. Step 2: Convert to fraction form
    123,014,747.20/184,522,120.80 = 99,126,875.20/x
  3. Step 3: Cross multiply
    123,014,747.20x = 184,522,120.80 × 99,126,875.20
  4. Step 4: Simplify right side
    123,014,747.20x = 18,291,101,240,180,924
  5. Step 5: Solve for x
    x = 18,291,101,240,180,924/123,014,747.20
  6. Step 6: Final answer
    x = 148,690,312.80

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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.