Home / 281,729,205.60-422,593,808.40-172,890,088.80

Finding the Fourth Proportional to 281,729,205.60, 422,593,808.40 and 172,890,088.80

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Solution

The fourth proportional to 281,729,205.60, 422,593,808.40 and 172,890,088.80 is: 259,335,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,729,205.60 : 422,593,808.40 = 172,890,088.80 : x
  2. Step 2: Convert to fraction form
    281,729,205.60/422,593,808.40 = 172,890,088.80/x
  3. Step 3: Cross multiply
    281,729,205.60x = 422,593,808.40 × 172,890,088.80
  4. Step 4: Simplify right side
    281,729,205.60x = 73,062,281,060,606,192
  5. Step 5: Solve for x
    x = 73,062,281,060,606,192/281,729,205.60
  6. Step 6: Final answer
    x = 259,335,133.20

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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.