Home / 185,071,366.20-255,079,700.46-123,080,938.68

Finding the Fourth Proportional to 185,071,366.20, 255,079,700.46 and 123,080,938.68

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Solution

The fourth proportional to 185,071,366.20, 255,079,700.46 and 123,080,938.68 is: 169,639,688.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,071,366.20 : 255,079,700.46 = 123,080,938.68 : x
  2. Step 2: Convert to fraction form
    185,071,366.20/255,079,700.46 = 123,080,938.68/x
  3. Step 3: Cross multiply
    185,071,366.20x = 255,079,700.46 × 123,080,938.68
  4. Step 4: Simplify right side
    185,071,366.20x = 31,395,448,970,830,032
  5. Step 5: Solve for x
    x = 31,395,448,970,830,032/185,071,366.20
  6. Step 6: Final answer
    x = 169,639,688.82

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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.