Home / 278,025,826.46-383,650,279.76-164,975,834.30

Finding the Fourth Proportional to 278,025,826.46, 383,650,279.76 and 164,975,834.30

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Solution

The fourth proportional to 278,025,826.46, 383,650,279.76 and 164,975,834.30 is: 227,651,602.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,025,826.46 : 383,650,279.76 = 164,975,834.30 : x
  2. Step 2: Convert to fraction form
    278,025,826.46/383,650,279.76 = 164,975,834.30/x
  3. Step 3: Cross multiply
    278,025,826.46x = 383,650,279.76 × 164,975,834.30
  4. Step 4: Simplify right side
    278,025,826.46x = 63,293,024,980,398,128
  5. Step 5: Solve for x
    x = 63,293,024,980,398,128/278,025,826.46
  6. Step 6: Final answer
    x = 227,651,602.68

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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.