Home / 130,915,138.31-196,373,691.84-58,112,346.82

Finding the Fourth Proportional to 130,915,138.31, 196,373,691.84 and 58,112,346.82

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Solution

The fourth proportional to 130,915,138.31, 196,373,691.84 and 58,112,346.82 is: 87,168,957.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,915,138.31 : 196,373,691.84 = 58,112,346.82 : x
  2. Step 2: Convert to fraction form
    130,915,138.31/196,373,691.84 = 58,112,346.82/x
  3. Step 3: Cross multiply
    130,915,138.31x = 196,373,691.84 × 58,112,346.82
  4. Step 4: Simplify right side
    130,915,138.31x = 11,411,736,086,529,884
  5. Step 5: Solve for x
    x = 11,411,736,086,529,884/130,915,138.31
  6. Step 6: Final answer
    x = 87,168,957.19

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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.