Home / 178,684,201.80-268,026,302.70-81,829,079.55

Finding the Fourth Proportional to 178,684,201.80, 268,026,302.70 and 81,829,079.55

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Solution

The fourth proportional to 178,684,201.80, 268,026,302.70 and 81,829,079.55 is: 122,743,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,684,201.80 : 268,026,302.70 = 81,829,079.55 : x
  2. Step 2: Convert to fraction form
    178,684,201.80/268,026,302.70 = 81,829,079.55/x
  3. Step 3: Cross multiply
    178,684,201.80x = 268,026,302.70 × 81,829,079.55
  4. Step 4: Simplify right side
    178,684,201.80x = 21,932,345,645,130,680
  5. Step 5: Solve for x
    x = 21,932,345,645,130,680/178,684,201.80
  6. Step 6: Final answer
    x = 122,743,619.33

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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.