Home / 319,819,034.11-441,373,105.53-176,761,719.71

Finding the Fourth Proportional to 319,819,034.11, 441,373,105.53 and 176,761,719.71

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Solution

The fourth proportional to 319,819,034.11, 441,373,105.53 and 176,761,719.71 is: 243,943,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,819,034.11 : 441,373,105.53 = 176,761,719.71 : x
  2. Step 2: Convert to fraction form
    319,819,034.11/441,373,105.53 = 176,761,719.71/x
  3. Step 3: Cross multiply
    319,819,034.11x = 441,373,105.53 × 176,761,719.71
  4. Step 4: Simplify right side
    319,819,034.11x = 78,017,869,165,019,248
  5. Step 5: Solve for x
    x = 78,017,869,165,019,248/319,819,034.11
  6. Step 6: Final answer
    x = 243,943,795.85

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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.