Home / 281,304,376.80-422,031,214.80-99,532,600.80

Finding the Fourth Proportional to 281,304,376.80, 422,031,214.80 and 99,532,600.80

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Solution

The fourth proportional to 281,304,376.80, 422,031,214.80 and 99,532,600.80 is: 149,325,314.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,304,376.80 : 422,031,214.80 = 99,532,600.80 : x
  2. Step 2: Convert to fraction form
    281,304,376.80/422,031,214.80 = 99,532,600.80/x
  3. Step 3: Cross multiply
    281,304,376.80x = 422,031,214.80 × 99,532,600.80
  4. Step 4: Simplify right side
    281,304,376.80x = 42,005,864,427,827,448
  5. Step 5: Solve for x
    x = 42,005,864,427,827,448/281,304,376.80
  6. Step 6: Final answer
    x = 149,325,314.12

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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.