Home / 98,331,286.40-147,370,958.40-87,497,763.20

Finding the Fourth Proportional to 98,331,286.40, 147,370,958.40 and 87,497,763.20

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Solution

The fourth proportional to 98,331,286.40, 147,370,958.40 and 87,497,763.20 is: 131,134,552.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,331,286.40 : 147,370,958.40 = 87,497,763.20 : x
  2. Step 2: Convert to fraction form
    98,331,286.40/147,370,958.40 = 87,497,763.20/x
  3. Step 3: Cross multiply
    98,331,286.40x = 147,370,958.40 × 87,497,763.20
  4. Step 4: Simplify right side
    98,331,286.40x = 12,894,629,220,640,252
  5. Step 5: Solve for x
    x = 12,894,629,220,640,252/98,331,286.40
  6. Step 6: Final answer
    x = 131,134,552.32

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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.