Home / 225,914,442.40-338,918,902.80-72,575,999.20

Finding the Fourth Proportional to 225,914,442.40, 338,918,902.80 and 72,575,999.20

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Solution

The fourth proportional to 225,914,442.40, 338,918,902.80 and 72,575,999.20 is: 108,879,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,914,442.40 : 338,918,902.80 = 72,575,999.20 : x
  2. Step 2: Convert to fraction form
    225,914,442.40/338,918,902.80 = 72,575,999.20/x
  3. Step 3: Cross multiply
    225,914,442.40x = 338,918,902.80 × 72,575,999.20
  4. Step 4: Simplify right side
    225,914,442.40x = 24,597,378,018,477,680
  5. Step 5: Solve for x
    x = 24,597,378,018,477,680/225,914,442.40
  6. Step 6: Final answer
    x = 108,879,174.60

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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.