Home / 61,509,133.10-92,264,793.15-18,378,868.70

Finding the Fourth Proportional to 61,509,133.10, 92,264,793.15 and 18,378,868.70

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Solution

The fourth proportional to 61,509,133.10, 92,264,793.15 and 18,378,868.70 is: 27,568,629.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,509,133.10 : 92,264,793.15 = 18,378,868.70 : x
  2. Step 2: Convert to fraction form
    61,509,133.10/92,264,793.15 = 18,378,868.70/x
  3. Step 3: Cross multiply
    61,509,133.10x = 92,264,793.15 × 18,378,868.70
  4. Step 4: Simplify right side
    61,509,133.10x = 1,695,722,518,936,509.50
  5. Step 5: Solve for x
    x = 1,695,722,518,936,509.50/61,509,133.10
  6. Step 6: Final answer
    x = 27,568,629.79

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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.