Home / 310,818,170.76-428,917,809.74-171,585,935.88

Finding the Fourth Proportional to 310,818,170.76, 428,917,809.74 and 171,585,935.88

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Solution

The fourth proportional to 310,818,170.76, 428,917,809.74 and 171,585,935.88 is: 236,782,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,818,170.76 : 428,917,809.74 = 171,585,935.88 : x
  2. Step 2: Convert to fraction form
    310,818,170.76/428,917,809.74 = 171,585,935.88/x
  3. Step 3: Cross multiply
    310,818,170.76x = 428,917,809.74 × 171,585,935.88
  4. Step 4: Simplify right side
    310,818,170.76x = 73,596,263,799,837,680
  5. Step 5: Solve for x
    x = 73,596,263,799,837,680/310,818,170.76
  6. Step 6: Final answer
    x = 236,782,372.21

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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.