Home / 67,382,070.12-92,987,256.78-36,442,239.48

Finding the Fourth Proportional to 67,382,070.12, 92,987,256.78 and 36,442,239.48

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Solution

The fourth proportional to 67,382,070.12, 92,987,256.78 and 36,442,239.48 is: 50,290,290.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,382,070.12 : 92,987,256.78 = 36,442,239.48 : x
  2. Step 2: Convert to fraction form
    67,382,070.12/92,987,256.78 = 36,442,239.48/x
  3. Step 3: Cross multiply
    67,382,070.12x = 92,987,256.78 × 36,442,239.48
  4. Step 4: Simplify right side
    67,382,070.12x = 3,388,663,880,165,013.50
  5. Step 5: Solve for x
    x = 3,388,663,880,165,013.50/67,382,070.12
  6. Step 6: Final answer
    x = 50,290,290.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.