Home / 101,143,258.32-139,577,696.65-54,733,512.23

Finding the Fourth Proportional to 101,143,258.32, 139,577,696.65 and 54,733,512.23

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Solution

The fourth proportional to 101,143,258.32, 139,577,696.65 and 54,733,512.23 is: 75,532,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143,258.32 : 139,577,696.65 = 54,733,512.23 : x
  2. Step 2: Convert to fraction form
    101,143,258.32/139,577,696.65 = 54,733,512.23/x
  3. Step 3: Cross multiply
    101,143,258.32x = 139,577,696.65 × 54,733,512.23
  4. Step 4: Simplify right side
    101,143,258.32x = 7,639,577,566,628,005
  5. Step 5: Solve for x
    x = 7,639,577,566,628,005/101,143,258.32
  6. Step 6: Final answer
    x = 75,532,246.97

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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.