Home / 112,207,793.70-168,169,972.95-54,575,969.70

Finding the Fourth Proportional to 112,207,793.70, 168,169,972.95 and 54,575,969.70

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Solution

The fourth proportional to 112,207,793.70, 168,169,972.95 and 54,575,969.70 is: 81,795,025.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,207,793.70 : 168,169,972.95 = 54,575,969.70 : x
  2. Step 2: Convert to fraction form
    112,207,793.70/168,169,972.95 = 54,575,969.70/x
  3. Step 3: Cross multiply
    112,207,793.70x = 168,169,972.95 × 54,575,969.70
  4. Step 4: Simplify right side
    112,207,793.70x = 9,178,039,348,169,020
  5. Step 5: Solve for x
    x = 9,178,039,348,169,020/112,207,793.70
  6. Step 6: Final answer
    x = 81,795,025.51

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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.