Home / 178,169,906.10-267,254,859.15-156,628,830.90

Finding the Fourth Proportional to 178,169,906.10, 267,254,859.15 and 156,628,830.90

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Solution

The fourth proportional to 178,169,906.10, 267,254,859.15 and 156,628,830.90 is: 234,943,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,169,906.10 : 267,254,859.15 = 156,628,830.90 : x
  2. Step 2: Convert to fraction form
    178,169,906.10/267,254,859.15 = 156,628,830.90/x
  3. Step 3: Cross multiply
    178,169,906.10x = 267,254,859.15 × 156,628,830.90
  4. Step 4: Simplify right side
    178,169,906.10x = 41,859,816,141,008,672
  5. Step 5: Solve for x
    x = 41,859,816,141,008,672/178,169,906.10
  6. Step 6: Final answer
    x = 234,943,246.35

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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.