Home / 67,964,321.50-101,891,140.21-31,595,648.74

Finding the Fourth Proportional to 67,964,321.50, 101,891,140.21 and 31,595,648.74

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Solution

The fourth proportional to 67,964,321.50, 101,891,140.21 and 31,595,648.74 is: 47,367,745.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,964,321.50 : 101,891,140.21 = 31,595,648.74 : x
  2. Step 2: Convert to fraction form
    67,964,321.50/101,891,140.21 = 31,595,648.74/x
  3. Step 3: Cross multiply
    67,964,321.50x = 101,891,140.21 × 31,595,648.74
  4. Step 4: Simplify right side
    67,964,321.50x = 3,219,316,675,578,017
  5. Step 5: Solve for x
    x = 3,219,316,675,578,017/67,964,321.50
  6. Step 6: Final answer
    x = 47,367,745.38

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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.