Home / 139,738,585.32-208,625,293.17-106,776,639.72

Finding the Fourth Proportional to 139,738,585.32, 208,625,293.17 and 106,776,639.72

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Solution

The fourth proportional to 139,738,585.32, 208,625,293.17 and 106,776,639.72 is: 159,414,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,738,585.32 : 208,625,293.17 = 106,776,639.72 : x
  2. Step 2: Convert to fraction form
    139,738,585.32/208,625,293.17 = 106,776,639.72/x
  3. Step 3: Cross multiply
    139,738,585.32x = 208,625,293.17 × 106,776,639.72
  4. Step 4: Simplify right side
    139,738,585.32x = 22,276,307,765,292,464
  5. Step 5: Solve for x
    x = 22,276,307,765,292,464/139,738,585.32
  6. Step 6: Final answer
    x = 159,414,149.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.