Home / 118,095,600.80-177,143,401.20-87,862,512.80

Finding the Fourth Proportional to 118,095,600.80, 177,143,401.20 and 87,862,512.80

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Solution

The fourth proportional to 118,095,600.80, 177,143,401.20 and 87,862,512.80 is: 131,793,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,095,600.80 : 177,143,401.20 = 87,862,512.80 : x
  2. Step 2: Convert to fraction form
    118,095,600.80/177,143,401.20 = 87,862,512.80/x
  3. Step 3: Cross multiply
    118,095,600.80x = 177,143,401.20 × 87,862,512.80
  4. Step 4: Simplify right side
    118,095,600.80x = 15,564,264,355,370,534
  5. Step 5: Solve for x
    x = 15,564,264,355,370,534/118,095,600.80
  6. Step 6: Final answer
    x = 131,793,769.20

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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.