Home / 185,665,922.06-278,508,133.76-70,659,377.78

Finding the Fourth Proportional to 185,665,922.06, 278,508,133.76 and 70,659,377.78

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Solution

The fourth proportional to 185,665,922.06, 278,508,133.76 and 70,659,377.78 is: 105,992,587.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,665,922.06 : 278,508,133.76 = 70,659,377.78 : x
  2. Step 2: Convert to fraction form
    185,665,922.06/278,508,133.76 = 70,659,377.78/x
  3. Step 3: Cross multiply
    185,665,922.06x = 278,508,133.76 × 70,659,377.78
  4. Step 4: Simplify right side
    185,665,922.06x = 19,679,211,436,404,776
  5. Step 5: Solve for x
    x = 19,679,211,436,404,776/185,665,922.06
  6. Step 6: Final answer
    x = 105,992,587.22

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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.