Home / 99,979,736.55-137,916,460.39-58,159,096.35

Finding the Fourth Proportional to 99,979,736.55, 137,916,460.39 and 58,159,096.35

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Solution

The fourth proportional to 99,979,736.55, 137,916,460.39 and 58,159,096.35 is: 80,227,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,979,736.55 : 137,916,460.39 = 58,159,096.35 : x
  2. Step 2: Convert to fraction form
    99,979,736.55/137,916,460.39 = 58,159,096.35/x
  3. Step 3: Cross multiply
    99,979,736.55x = 137,916,460.39 × 58,159,096.35
  4. Step 4: Simplify right side
    99,979,736.55x = 8,021,096,708,072,968
  5. Step 5: Solve for x
    x = 8,021,096,708,072,968/99,979,736.55
  6. Step 6: Final answer
    x = 80,227,223.88

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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.