Home / 99,156,559.60-136,839,375.17-55,105,415.11

Finding the Fourth Proportional to 99,156,559.60, 136,839,375.17 and 55,105,415.11

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Solution

The fourth proportional to 99,156,559.60, 136,839,375.17 and 55,105,415.11 is: 76,047,319.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,156,559.60 : 136,839,375.17 = 55,105,415.11 : x
  2. Step 2: Convert to fraction form
    99,156,559.60/136,839,375.17 = 55,105,415.11/x
  3. Step 3: Cross multiply
    99,156,559.60x = 136,839,375.17 × 55,105,415.11
  4. Step 4: Simplify right side
    99,156,559.60x = 7,540,590,572,135,876
  5. Step 5: Solve for x
    x = 7,540,590,572,135,876/99,156,559.60
  6. Step 6: Final answer
    x = 76,047,319.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.