Home / 311,175,766.91-429,447,037.47-177,219,347.25

Finding the Fourth Proportional to 311,175,766.91, 429,447,037.47 and 177,219,347.25

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Solution

The fourth proportional to 311,175,766.91, 429,447,037.47 and 177,219,347.25 is: 244,576,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,175,766.91 : 429,447,037.47 = 177,219,347.25 : x
  2. Step 2: Convert to fraction form
    311,175,766.91/429,447,037.47 = 177,219,347.25/x
  3. Step 3: Cross multiply
    311,175,766.91x = 429,447,037.47 × 177,219,347.25
  4. Step 4: Simplify right side
    311,175,766.91x = 76,106,323,659,825,552
  5. Step 5: Solve for x
    x = 76,106,323,659,825,552/311,175,766.91
  6. Step 6: Final answer
    x = 244,576,640.45

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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.