Home / 74,889,974.20-112,334,961.30-61,900,943.80

Finding the Fourth Proportional to 74,889,974.20, 112,334,961.30 and 61,900,943.80

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Solution

The fourth proportional to 74,889,974.20, 112,334,961.30 and 61,900,943.80 is: 92,851,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,889,974.20 : 112,334,961.30 = 61,900,943.80 : x
  2. Step 2: Convert to fraction form
    74,889,974.20/112,334,961.30 = 61,900,943.80/x
  3. Step 3: Cross multiply
    74,889,974.20x = 112,334,961.30 × 61,900,943.80
  4. Step 4: Simplify right side
    74,889,974.20x = 6,953,640,126,206,474
  5. Step 5: Solve for x
    x = 6,953,640,126,206,474/74,889,974.20
  6. Step 6: Final answer
    x = 92,851,415.70

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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.