Home / 123,221,857,449.78-170,046,034,314.21-69,028,787,558.70

Finding the Fourth Proportional to 123,221,857,449.78, 170,046,034,314.21 and 69,028,787,558.70

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Solution

The fourth proportional to 123,221,857,449.78, 170,046,034,314.21 and 69,028,787,558.70 is: 95,259,654,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,221,857,449.78 : 170,046,034,314.21 = 69,028,787,558.70 : x
  2. Step 2: Convert to fraction form
    123,221,857,449.78/170,046,034,314.21 = 69,028,787,558.70/x
  3. Step 3: Cross multiply
    123,221,857,449.78x = 170,046,034,314.21 × 69,028,787,558.70
  4. Step 4: Simplify right side
    123,221,857,449.78x = 11,738,071,577,875,011,600,384
  5. Step 5: Solve for x
    x = 11,738,071,577,875,011,600,384/123,221,857,449.78
  6. Step 6: Final answer
    x = 95,259,654,584.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.