Home / 117,418,973.92-162,033,744.51-65,211,372.61

Finding the Fourth Proportional to 117,418,973.92, 162,033,744.51 and 65,211,372.61

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Solution

The fourth proportional to 117,418,973.92, 162,033,744.51 and 65,211,372.61 is: 89,989,228.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,418,973.92 : 162,033,744.51 = 65,211,372.61 : x
  2. Step 2: Convert to fraction form
    117,418,973.92/162,033,744.51 = 65,211,372.61/x
  3. Step 3: Cross multiply
    117,418,973.92x = 162,033,744.51 × 65,211,372.61
  4. Step 4: Simplify right side
    117,418,973.92x = 10,566,442,888,230,068
  5. Step 5: Solve for x
    x = 10,566,442,888,230,068/117,418,973.92
  6. Step 6: Final answer
    x = 89,989,228.62

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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.