Home / 314,887,206.80-472,397,165.40-133,040,781.20

Finding the Fourth Proportional to 314,887,206.80, 472,397,165.40 and 133,040,781.20

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Solution

The fourth proportional to 314,887,206.80, 472,397,165.40 and 133,040,781.20 is: 199,589,207.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,887,206.80 : 472,397,165.40 = 133,040,781.20 : x
  2. Step 2: Convert to fraction form
    314,887,206.80/472,397,165.40 = 133,040,781.20/x
  3. Step 3: Cross multiply
    314,887,206.80x = 472,397,165.40 × 133,040,781.20
  4. Step 4: Simplify right side
    314,887,206.80x = 62,848,087,921,481,608
  5. Step 5: Solve for x
    x = 62,848,087,921,481,608/314,887,206.80
  6. Step 6: Final answer
    x = 199,589,207.07

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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.