Home / 127,727,998.80-191,591,998.20-102,218,830.80

Finding the Fourth Proportional to 127,727,998.80, 191,591,998.20 and 102,218,830.80

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Solution

The fourth proportional to 127,727,998.80, 191,591,998.20 and 102,218,830.80 is: 153,328,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,727,998.80 : 191,591,998.20 = 102,218,830.80 : x
  2. Step 2: Convert to fraction form
    127,727,998.80/191,591,998.20 = 102,218,830.80/x
  3. Step 3: Cross multiply
    127,727,998.80x = 191,591,998.20 × 102,218,830.80
  4. Step 4: Simplify right side
    127,727,998.80x = 19,584,310,046,639,704
  5. Step 5: Solve for x
    x = 19,584,310,046,639,704/127,727,998.80
  6. Step 6: Final answer
    x = 153,328,246.20

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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.