Home / 45,710,905.20-68,576,519.15-21,436,894.66

Finding the Fourth Proportional to 45,710,905.20, 68,576,519.15 and 21,436,894.66

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Solution

The fourth proportional to 45,710,905.20, 68,576,519.15 and 21,436,894.66 is: 32,160,107.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,710,905.20 : 68,576,519.15 = 21,436,894.66 : x
  2. Step 2: Convert to fraction form
    45,710,905.20/68,576,519.15 = 21,436,894.66/x
  3. Step 3: Cross multiply
    45,710,905.20x = 68,576,519.15 × 21,436,894.66
  4. Step 4: Simplify right side
    45,710,905.20x = 1,470,067,617,168,023
  5. Step 5: Solve for x
    x = 1,470,067,617,168,023/45,710,905.20
  6. Step 6: Final answer
    x = 32,160,107.33

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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.