Home / 146,085,512.80-219,111,680.40-38,391,023.20

Finding the Fourth Proportional to 146,085,512.80, 219,111,680.40 and 38,391,023.20

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Solution

The fourth proportional to 146,085,512.80, 219,111,680.40 and 38,391,023.20 is: 57,582,175.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,085,512.80 : 219,111,680.40 = 38,391,023.20 : x
  2. Step 2: Convert to fraction form
    146,085,512.80/219,111,680.40 = 38,391,023.20/x
  3. Step 3: Cross multiply
    146,085,512.80x = 219,111,680.40 × 38,391,023.20
  4. Step 4: Simplify right side
    146,085,512.80x = 8,411,921,605,627,386
  5. Step 5: Solve for x
    x = 8,411,921,605,627,386/146,085,512.80
  6. Step 6: Final answer
    x = 57,582,175.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.