Home / 130,381,323.40-179,915,694.42-75,380,725

Finding the Fourth Proportional to 130,381,323.40, 179,915,694.42 and 75,380,725

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Solution

The fourth proportional to 130,381,323.40, 179,915,694.42 and 75,380,725 is: 104,019,311.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,381,323.40 : 179,915,694.42 = 75,380,725 : x
  2. Step 2: Convert to fraction form
    130,381,323.40/179,915,694.42 = 75,380,725/x
  3. Step 3: Cross multiply
    130,381,323.40x = 179,915,694.42 × 75,380,725
  4. Step 4: Simplify right side
    130,381,323.40x = 13,562,175,484,258,054
  5. Step 5: Solve for x
    x = 13,562,175,484,258,054/130,381,323.40
  6. Step 6: Final answer
    x = 104,019,311.44

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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.