Home / 142,033,806.68-196,142,020.49-134,295,912.72

Finding the Fourth Proportional to 142,033,806.68, 196,142,020.49 and 134,295,912.72

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Solution

The fourth proportional to 142,033,806.68, 196,142,020.49 and 134,295,912.72 is: 185,456,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,033,806.68 : 196,142,020.49 = 134,295,912.72 : x
  2. Step 2: Convert to fraction form
    142,033,806.68/196,142,020.49 = 134,295,912.72/x
  3. Step 3: Cross multiply
    142,033,806.68x = 196,142,020.49 × 134,295,912.72
  4. Step 4: Simplify right side
    142,033,806.68x = 26,341,071,664,785,232
  5. Step 5: Solve for x
    x = 26,341,071,664,785,232/142,033,806.68
  6. Step 6: Final answer
    x = 185,456,352.13

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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.