Home / 252,487,230.80-378,432,247.80-131,256,280.40

Finding the Fourth Proportional to 252,487,230.80, 378,432,247.80 and 131,256,280.40

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Solution

The fourth proportional to 252,487,230.80, 378,432,247.80 and 131,256,280.40 is: 196,729,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,487,230.80 : 378,432,247.80 = 131,256,280.40 : x
  2. Step 2: Convert to fraction form
    252,487,230.80/378,432,247.80 = 131,256,280.40/x
  3. Step 3: Cross multiply
    252,487,230.80x = 378,432,247.80 × 131,256,280.40
  4. Step 4: Simplify right side
    252,487,230.80x = 49,671,609,229,639,088
  5. Step 5: Solve for x
    x = 49,671,609,229,639,088/252,487,230.80
  6. Step 6: Final answer
    x = 196,729,193.28

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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.