Home / 99,156,558.60-136,839,373.79-55,105,414.11

Finding the Fourth Proportional to 99,156,558.60, 136,839,373.79 and 55,105,414.11

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Solution

The fourth proportional to 99,156,558.60, 136,839,373.79 and 55,105,414.11 is: 76,047,318.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,156,558.60 : 136,839,373.79 = 55,105,414.11 : x
  2. Step 2: Convert to fraction form
    99,156,558.60/136,839,373.79 = 55,105,414.11/x
  3. Step 3: Cross multiply
    99,156,558.60x = 136,839,373.79 × 55,105,414.11
  4. Step 4: Simplify right side
    99,156,558.60x = 7,540,590,358,975,503
  5. Step 5: Solve for x
    x = 7,540,590,358,975,503/99,156,558.60
  6. Step 6: Final answer
    x = 76,047,318.15

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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.