Home / 313,584,540.16-432,735,340.24-172,454,543.36

Finding the Fourth Proportional to 313,584,540.16, 432,735,340.24 and 172,454,543.36

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Solution

The fourth proportional to 313,584,540.16, 432,735,340.24 and 172,454,543.36 is: 237,981,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,584,540.16 : 432,735,340.24 = 172,454,543.36 : x
  2. Step 2: Convert to fraction form
    313,584,540.16/432,735,340.24 = 172,454,543.36/x
  3. Step 3: Cross multiply
    313,584,540.16x = 432,735,340.24 × 172,454,543.36
  4. Step 4: Simplify right side
    313,584,540.16x = 74,627,175,496,823,440
  5. Step 5: Solve for x
    x = 74,627,175,496,823,440/313,584,540.16
  6. Step 6: Final answer
    x = 237,981,041.60

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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.