Home / 185,665,868.62-278,508,053.53-70,659,324.34

Finding the Fourth Proportional to 185,665,868.62, 278,508,053.53 and 70,659,324.34

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Solution

The fourth proportional to 185,665,868.62, 278,508,053.53 and 70,659,324.34 is: 105,992,507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,665,868.62 : 278,508,053.53 = 70,659,324.34 : x
  2. Step 2: Convert to fraction form
    185,665,868.62/278,508,053.53 = 70,659,324.34/x
  3. Step 3: Cross multiply
    185,665,868.62x = 278,508,053.53 × 70,659,324.34
  4. Step 4: Simplify right side
    185,665,868.62x = 19,679,190,885,070,408
  5. Step 5: Solve for x
    x = 19,679,190,885,070,408/185,665,868.62
  6. Step 6: Final answer
    x = 105,992,507.03

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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.