Home / 225,524,430.30-338,286,645.45-157,499,982.30

Finding the Fourth Proportional to 225,524,430.30, 338,286,645.45 and 157,499,982.30

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Solution

The fourth proportional to 225,524,430.30, 338,286,645.45 and 157,499,982.30 is: 236,249,973.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,524,430.30 : 338,286,645.45 = 157,499,982.30 : x
  2. Step 2: Convert to fraction form
    225,524,430.30/338,286,645.45 = 157,499,982.30/x
  3. Step 3: Cross multiply
    225,524,430.30x = 338,286,645.45 × 157,499,982.30
  4. Step 4: Simplify right side
    225,524,430.30x = 53,280,140,670,701,376
  5. Step 5: Solve for x
    x = 53,280,140,670,701,376/225,524,430.30
  6. Step 6: Final answer
    x = 236,249,973.45

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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.