Home / 287,961,733.14-397,398,470.27-162,518,310.92

Finding the Fourth Proportional to 287,961,733.14, 397,398,470.27 and 162,518,310.92

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Solution

The fourth proportional to 287,961,733.14, 397,398,470.27 and 162,518,310.92 is: 224,281,634.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,961,733.14 : 397,398,470.27 = 162,518,310.92 : x
  2. Step 2: Convert to fraction form
    287,961,733.14/397,398,470.27 = 162,518,310.92/x
  3. Step 3: Cross multiply
    287,961,733.14x = 397,398,470.27 × 162,518,310.92
  4. Step 4: Simplify right side
    287,961,733.14x = 64,584,528,147,672,648
  5. Step 5: Solve for x
    x = 64,584,528,147,672,648/287,961,733.14
  6. Step 6: Final answer
    x = 224,281,634.38

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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.