Home / 172,646,694.68-238,358,020.21-112,353,141.02

Finding the Fourth Proportional to 172,646,694.68, 238,358,020.21 and 112,353,141.02

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Solution

The fourth proportional to 172,646,694.68, 238,358,020.21 and 112,353,141.02 is: 155,116,043.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,646,694.68 : 238,358,020.21 = 112,353,141.02 : x
  2. Step 2: Convert to fraction form
    172,646,694.68/238,358,020.21 = 112,353,141.02/x
  3. Step 3: Cross multiply
    172,646,694.68x = 238,358,020.21 × 112,353,141.02
  4. Step 4: Simplify right side
    172,646,694.68x = 26,780,272,256,429,468
  5. Step 5: Solve for x
    x = 26,780,272,256,429,468/172,646,694.68
  6. Step 6: Final answer
    x = 155,116,043.82

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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.