Home / 227,138,740.80-340,708,111.20-83,512,910.40

Finding the Fourth Proportional to 227,138,740.80, 340,708,111.20 and 83,512,910.40

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Solution

The fourth proportional to 227,138,740.80, 340,708,111.20 and 83,512,910.40 is: 125,269,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,138,740.80 : 340,708,111.20 = 83,512,910.40 : x
  2. Step 2: Convert to fraction form
    227,138,740.80/340,708,111.20 = 83,512,910.40/x
  3. Step 3: Cross multiply
    227,138,740.80x = 340,708,111.20 × 83,512,910.40
  4. Step 4: Simplify right side
    227,138,740.80x = 28,453,525,963,198,836
  5. Step 5: Solve for x
    x = 28,453,525,963,198,836/227,138,740.80
  6. Step 6: Final answer
    x = 125,269,365.60

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1.5x scale

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.