Home / 225,773,902.80-338,660,854.20-72,435,459.60

Finding the Fourth Proportional to 225,773,902.80, 338,660,854.20 and 72,435,459.60

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Solution

The fourth proportional to 225,773,902.80, 338,660,854.20 and 72,435,459.60 is: 108,653,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,773,902.80 : 338,660,854.20 = 72,435,459.60 : x
  2. Step 2: Convert to fraction form
    225,773,902.80/338,660,854.20 = 72,435,459.60/x
  3. Step 3: Cross multiply
    225,773,902.80x = 338,660,854.20 × 72,435,459.60
  4. Step 4: Simplify right side
    225,773,902.80x = 24,531,054,622,505,588
  5. Step 5: Solve for x
    x = 24,531,054,622,505,588/225,773,902.80
  6. Step 6: Final answer
    x = 108,653,189.40

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1.5x scale

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.