Home / 123,034,915.20-184,552,372.80-121,121,727.60

Finding the Fourth Proportional to 123,034,915.20, 184,552,372.80 and 121,121,727.60

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Solution

The fourth proportional to 123,034,915.20, 184,552,372.80 and 121,121,727.60 is: 181,682,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,034,915.20 : 184,552,372.80 = 121,121,727.60 : x
  2. Step 2: Convert to fraction form
    123,034,915.20/184,552,372.80 = 121,121,727.60/x
  3. Step 3: Cross multiply
    123,034,915.20x = 184,552,372.80 × 121,121,727.60
  4. Step 4: Simplify right side
    123,034,915.20x = 22,353,302,226,215,248
  5. Step 5: Solve for x
    x = 22,353,302,226,215,248/123,034,915.20
  6. Step 6: Final answer
    x = 181,682,591.40

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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.