Home / 202,428,000.90-303,642,001.35-125,900,496.90

Finding the Fourth Proportional to 202,428,000.90, 303,642,001.35 and 125,900,496.90

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Solution

The fourth proportional to 202,428,000.90, 303,642,001.35 and 125,900,496.90 is: 188,850,745.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,428,000.90 : 303,642,001.35 = 125,900,496.90 : x
  2. Step 2: Convert to fraction form
    202,428,000.90/303,642,001.35 = 125,900,496.90/x
  3. Step 3: Cross multiply
    202,428,000.90x = 303,642,001.35 × 125,900,496.90
  4. Step 4: Simplify right side
    202,428,000.90x = 38,228,678,849,675,472
  5. Step 5: Solve for x
    x = 38,228,678,849,675,472/202,428,000.90
  6. Step 6: Final answer
    x = 188,850,745.35

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Similar ratio
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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.