Home / 130,110,006.46-179,550,134.84-74,354,787.36

Finding the Fourth Proportional to 130,110,006.46, 179,550,134.84 and 74,354,787.36

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Solution

The fourth proportional to 130,110,006.46, 179,550,134.84 and 74,354,787.36 is: 102,608,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,110,006.46 : 179,550,134.84 = 74,354,787.36 : x
  2. Step 2: Convert to fraction form
    130,110,006.46/179,550,134.84 = 74,354,787.36/x
  3. Step 3: Cross multiply
    130,110,006.46x = 179,550,134.84 × 74,354,787.36
  4. Step 4: Simplify right side
    130,110,006.46x = 13,350,412,096,673,414
  5. Step 5: Solve for x
    x = 13,350,412,096,673,414/130,110,006.46
  6. Step 6: Final answer
    x = 102,608,649.87

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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.