Home / 83,150,687.20-124,584,313.20-70,962,973.60

Finding the Fourth Proportional to 83,150,687.20, 124,584,313.20 and 70,962,973.60

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Solution

The fourth proportional to 83,150,687.20, 124,584,313.20 and 70,962,973.60 is: 106,323,514.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,150,687.20 : 124,584,313.20 = 70,962,973.60 : x
  2. Step 2: Convert to fraction form
    83,150,687.20/124,584,313.20 = 70,962,973.60/x
  3. Step 3: Cross multiply
    83,150,687.20x = 124,584,313.20 × 70,962,973.60
  4. Step 4: Simplify right side
    83,150,687.20x = 8,840,873,328,585,731
  5. Step 5: Solve for x
    x = 8,840,873,328,585,731/83,150,687.20
  6. Step 6: Final answer
    x = 106,323,514.89

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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.