Home / 218,304,410.10-327,456,615.15-145,284,416.70

Finding the Fourth Proportional to 218,304,410.10, 327,456,615.15 and 145,284,416.70

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Solution

The fourth proportional to 218,304,410.10, 327,456,615.15 and 145,284,416.70 is: 217,926,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,304,410.10 : 327,456,615.15 = 145,284,416.70 : x
  2. Step 2: Convert to fraction form
    218,304,410.10/327,456,615.15 = 145,284,416.70/x
  3. Step 3: Cross multiply
    218,304,410.10x = 327,456,615.15 × 145,284,416.70
  4. Step 4: Simplify right side
    218,304,410.10x = 47,574,343,326,624,128
  5. Step 5: Solve for x
    x = 47,574,343,326,624,128/218,304,410.10
  6. Step 6: Final answer
    x = 217,926,625.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.