Home / 207,524,763.06-311,620,618.36-137,602,986.86

Finding the Fourth Proportional to 207,524,763.06, 311,620,618.36 and 137,602,986.86

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Solution

The fourth proportional to 207,524,763.06, 311,620,618.36 and 137,602,986.86 is: 206,625,596.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,524,763.06 : 311,620,618.36 = 137,602,986.86 : x
  2. Step 2: Convert to fraction form
    207,524,763.06/311,620,618.36 = 137,602,986.86/x
  3. Step 3: Cross multiply
    207,524,763.06x = 311,620,618.36 × 137,602,986.86
  4. Step 4: Simplify right side
    207,524,763.06x = 42,879,927,853,496,160
  5. Step 5: Solve for x
    x = 42,879,927,853,496,160/207,524,763.06
  6. Step 6: Final answer
    x = 206,625,596.01

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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.