Home / 112,981,701.20-169,488,298.20-48,284,992.40

Finding the Fourth Proportional to 112,981,701.20, 169,488,298.20 and 48,284,992.40

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Solution

The fourth proportional to 112,981,701.20, 169,488,298.20 and 48,284,992.40 is: 72,434,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,981,701.20 : 169,488,298.20 = 48,284,992.40 : x
  2. Step 2: Convert to fraction form
    112,981,701.20/169,488,298.20 = 48,284,992.40/x
  3. Step 3: Cross multiply
    112,981,701.20x = 169,488,298.20 × 48,284,992.40
  4. Step 4: Simplify right side
    112,981,701.20x = 8,183,741,190,475,933
  5. Step 5: Solve for x
    x = 8,183,741,190,475,933/112,981,701.20
  6. Step 6: Final answer
    x = 72,434,218.14

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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.