Home / 123,014,748.70-184,522,123.05-99,126,876.70

Finding the Fourth Proportional to 123,014,748.70, 184,522,123.05 and 99,126,876.70

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Solution

The fourth proportional to 123,014,748.70, 184,522,123.05 and 99,126,876.70 is: 148,690,315.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,014,748.70 : 184,522,123.05 = 99,126,876.70 : x
  2. Step 2: Convert to fraction form
    123,014,748.70/184,522,123.05 = 99,126,876.70/x
  3. Step 3: Cross multiply
    123,014,748.70x = 184,522,123.05 × 99,126,876.70
  4. Step 4: Simplify right side
    123,014,748.70x = 18,291,101,739,999,580
  5. Step 5: Solve for x
    x = 18,291,101,739,999,580/123,014,748.70
  6. Step 6: Final answer
    x = 148,690,315.05

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1.5x scale

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.