Home / 202,172,646.74-279,168,321.56-127,964,119.95

Finding the Fourth Proportional to 202,172,646.74, 279,168,321.56 and 127,964,119.95

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Solution

The fourth proportional to 202,172,646.74, 279,168,321.56 and 127,964,119.95 is: 176,698,129.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,172,646.74 : 279,168,321.56 = 127,964,119.95 : x
  2. Step 2: Convert to fraction form
    202,172,646.74/279,168,321.56 = 127,964,119.95/x
  3. Step 3: Cross multiply
    202,172,646.74x = 279,168,321.56 × 127,964,119.95
  4. Step 4: Simplify right side
    202,172,646.74x = 35,723,528,585,704,192
  5. Step 5: Solve for x
    x = 35,723,528,585,704,192/202,172,646.74
  6. Step 6: Final answer
    x = 176,698,129.85

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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.