Home / 105,825,830.70-158,738,746.05-75,368,793.90

Finding the Fourth Proportional to 105,825,830.70, 158,738,746.05 and 75,368,793.90

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Solution

The fourth proportional to 105,825,830.70, 158,738,746.05 and 75,368,793.90 is: 113,053,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,825,830.70 : 158,738,746.05 = 75,368,793.90 : x
  2. Step 2: Convert to fraction form
    105,825,830.70/158,738,746.05 = 75,368,793.90/x
  3. Step 3: Cross multiply
    105,825,830.70x = 158,738,746.05 × 75,368,793.90
  4. Step 4: Simplify right side
    105,825,830.70x = 11,963,947,834,986,890
  5. Step 5: Solve for x
    x = 11,963,947,834,986,890/105,825,830.70
  6. Step 6: Final answer
    x = 113,053,190.85

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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.