Home / 123,221,857,377.87-170,046,034,214.67-69,028,787,486.43

Finding the Fourth Proportional to 123,221,857,377.87, 170,046,034,214.67 and 69,028,787,486.43

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Solution

The fourth proportional to 123,221,857,377.87, 170,046,034,214.67 and 69,028,787,486.43 is: 95,259,654,484.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,221,857,377.87 : 170,046,034,214.67 = 69,028,787,486.43 : x
  2. Step 2: Convert to fraction form
    123,221,857,377.87/170,046,034,214.67 = 69,028,787,486.43/x
  3. Step 3: Cross multiply
    123,221,857,377.87x = 170,046,034,214.67 × 69,028,787,486.43
  4. Step 4: Simplify right side
    123,221,857,377.87x = 11,738,071,558,715,003,109,376
  5. Step 5: Solve for x
    x = 11,738,071,558,715,003,109,376/123,221,857,377.87
  6. Step 6: Final answer
    x = 95,259,654,484.18

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Double scale
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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.