Home / 225,773,904.80-338,660,857.20-72,435,461.60

Finding the Fourth Proportional to 225,773,904.80, 338,660,857.20 and 72,435,461.60

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Solution

The fourth proportional to 225,773,904.80, 338,660,857.20 and 72,435,461.60 is: 108,653,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,773,904.80 : 338,660,857.20 = 72,435,461.60 : x
  2. Step 2: Convert to fraction form
    225,773,904.80/338,660,857.20 = 72,435,461.60/x
  3. Step 3: Cross multiply
    225,773,904.80x = 338,660,857.20 × 72,435,461.60
  4. Step 4: Simplify right side
    225,773,904.80x = 24,531,055,517,133,680
  5. Step 5: Solve for x
    x = 24,531,055,517,133,680/225,773,904.80
  6. Step 6: Final answer
    x = 108,653,192.40

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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.