Home / 89,492,733.20-134,239,099.80-75,132,016.40

Finding the Fourth Proportional to 89,492,733.20, 134,239,099.80 and 75,132,016.40

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Solution

The fourth proportional to 89,492,733.20, 134,239,099.80 and 75,132,016.40 is: 112,698,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,492,733.20 : 134,239,099.80 = 75,132,016.40 : x
  2. Step 2: Convert to fraction form
    89,492,733.20/134,239,099.80 = 75,132,016.40/x
  3. Step 3: Cross multiply
    89,492,733.20x = 134,239,099.80 × 75,132,016.40
  4. Step 4: Simplify right side
    89,492,733.20x = 10,085,654,247,694,838
  5. Step 5: Solve for x
    x = 10,085,654,247,694,838/89,492,733.20
  6. Step 6: Final answer
    x = 112,698,024.60

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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.