Home / 140,466,095.45-210,279,352.17-84,965,969.78

Finding the Fourth Proportional to 140,466,095.45, 210,279,352.17 and 84,965,969.78

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Solution

The fourth proportional to 140,466,095.45, 210,279,352.17 and 84,965,969.78 is: 127,195,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,466,095.45 : 210,279,352.17 = 84,965,969.78 : x
  2. Step 2: Convert to fraction form
    140,466,095.45/210,279,352.17 = 84,965,969.78/x
  3. Step 3: Cross multiply
    140,466,095.45x = 210,279,352.17 × 84,965,969.78
  4. Step 4: Simplify right side
    140,466,095.45x = 17,866,589,081,834,196
  5. Step 5: Solve for x
    x = 17,866,589,081,834,196/140,466,095.45
  6. Step 6: Final answer
    x = 127,195,028.98

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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.