Home / 311,175,767.91-429,447,038.85-177,219,348.25

Finding the Fourth Proportional to 311,175,767.91, 429,447,038.85 and 177,219,348.25

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Solution

The fourth proportional to 311,175,767.91, 429,447,038.85 and 177,219,348.25 is: 244,576,641.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,175,767.91 : 429,447,038.85 = 177,219,348.25 : x
  2. Step 2: Convert to fraction form
    311,175,767.91/429,447,038.85 = 177,219,348.25/x
  3. Step 3: Cross multiply
    311,175,767.91x = 429,447,038.85 × 177,219,348.25
  4. Step 4: Simplify right side
    311,175,767.91x = 76,106,324,332,889,440
  5. Step 5: Solve for x
    x = 76,106,324,332,889,440/311,175,767.91
  6. Step 6: Final answer
    x = 244,576,641.83

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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.