Home / 54,777,397.76-75,591,885.12-30,330,586.88

Finding the Fourth Proportional to 54,777,397.76, 75,591,885.12 and 30,330,586.88

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Solution

The fourth proportional to 54,777,397.76, 75,591,885.12 and 30,330,586.88 is: 41,855,698.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,777,397.76 : 75,591,885.12 = 30,330,586.88 : x
  2. Step 2: Convert to fraction form
    54,777,397.76/75,591,885.12 = 30,330,586.88/x
  3. Step 3: Cross multiply
    54,777,397.76x = 75,591,885.12 × 30,330,586.88
  4. Step 4: Simplify right side
    54,777,397.76x = 2,292,746,239,055,139.50
  5. Step 5: Solve for x
    x = 2,292,746,239,055,139.50/54,777,397.76
  6. Step 6: Final answer
    x = 41,855,698.39

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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.