Home / 310,818,169.76-428,917,808.36-171,585,934.88

Finding the Fourth Proportional to 310,818,169.76, 428,917,808.36 and 171,585,934.88

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Solution

The fourth proportional to 310,818,169.76, 428,917,808.36 and 171,585,934.88 is: 236,782,370.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,818,169.76 : 428,917,808.36 = 171,585,934.88 : x
  2. Step 2: Convert to fraction form
    310,818,169.76/428,917,808.36 = 171,585,934.88/x
  3. Step 3: Cross multiply
    310,818,169.76x = 428,917,808.36 × 171,585,934.88
  4. Step 4: Simplify right side
    310,818,169.76x = 73,596,263,134,131,280
  5. Step 5: Solve for x
    x = 73,596,263,134,131,280/310,818,169.76
  6. Step 6: Final answer
    x = 236,782,370.83

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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.