Home / 305,694,084.60-421,800,397.20-180,285,804

Finding the Fourth Proportional to 305,694,084.60, 421,800,397.20 and 180,285,804

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Solution

The fourth proportional to 305,694,084.60, 421,800,397.20 and 180,285,804 is: 248,760,534.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,694,084.60 : 421,800,397.20 = 180,285,804 : x
  2. Step 2: Convert to fraction form
    305,694,084.60/421,800,397.20 = 180,285,804/x
  3. Step 3: Cross multiply
    305,694,084.60x = 421,800,397.20 × 180,285,804
  4. Step 4: Simplify right side
    305,694,084.60x = 76,044,623,736,721,344
  5. Step 5: Solve for x
    x = 76,044,623,736,721,344/305,694,084.60
  6. Step 6: Final answer
    x = 248,760,534.04

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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.