Home / 310,392,041.10-428,351,357.33-169,270,961.30

Finding the Fourth Proportional to 310,392,041.10, 428,351,357.33 and 169,270,961.30

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Solution

The fourth proportional to 310,392,041.10, 428,351,357.33 and 169,270,961.30 is: 233,599,565.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,392,041.10 : 428,351,357.33 = 169,270,961.30 : x
  2. Step 2: Convert to fraction form
    310,392,041.10/428,351,357.33 = 169,270,961.30/x
  3. Step 3: Cross multiply
    310,392,041.10x = 428,351,357.33 × 169,270,961.30
  4. Step 4: Simplify right side
    310,392,041.10x = 72,507,446,027,690,320
  5. Step 5: Solve for x
    x = 72,507,446,027,690,320/310,392,041.10
  6. Step 6: Final answer
    x = 233,599,565.80

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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.