Home / 126,694,020.40-190,418,944.20-124,426,538.80

Finding the Fourth Proportional to 126,694,020.40, 190,418,944.20 and 124,426,538.80

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Solution

The fourth proportional to 126,694,020.40, 190,418,944.20 and 124,426,538.80 is: 187,010,958.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,694,020.40 : 190,418,944.20 = 124,426,538.80 : x
  2. Step 2: Convert to fraction form
    126,694,020.40/190,418,944.20 = 124,426,538.80/x
  3. Step 3: Cross multiply
    126,694,020.40x = 190,418,944.20 × 124,426,538.80
  4. Step 4: Simplify right side
    126,694,020.40x = 23,693,170,148,756,332
  5. Step 5: Solve for x
    x = 23,693,170,148,756,332/126,694,020.40
  6. Step 6: Final answer
    x = 187,010,958.16

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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.