Home / 186,319,280.16-257,121,660.72-108,049,305.84

Finding the Fourth Proportional to 186,319,280.16, 257,121,660.72 and 108,049,305.84

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Solution

The fourth proportional to 186,319,280.16, 257,121,660.72 and 108,049,305.84 is: 149,108,653.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,319,280.16 : 257,121,660.72 = 108,049,305.84 : x
  2. Step 2: Convert to fraction form
    186,319,280.16/257,121,660.72 = 108,049,305.84/x
  3. Step 3: Cross multiply
    186,319,280.16x = 257,121,660.72 × 108,049,305.84
  4. Step 4: Simplify right side
    186,319,280.16x = 27,781,816,957,223,996
  5. Step 5: Solve for x
    x = 27,781,816,957,223,996/186,319,280.16
  6. Step 6: Final answer
    x = 149,108,653.35

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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.