Home / 345,203,320.86-517,801,437.74-199,544,200.11

Finding the Fourth Proportional to 345,203,320.86, 517,801,437.74 and 199,544,200.11

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Solution

The fourth proportional to 345,203,320.86, 517,801,437.74 and 199,544,200.11 is: 299,314,251.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,203,320.86 : 517,801,437.74 = 199,544,200.11 : x
  2. Step 2: Convert to fraction form
    345,203,320.86/517,801,437.74 = 199,544,200.11/x
  3. Step 3: Cross multiply
    345,203,320.86x = 517,801,437.74 × 199,544,200.11
  4. Step 4: Simplify right side
    345,203,320.86x = 103,324,273,710,135,136
  5. Step 5: Solve for x
    x = 103,324,273,710,135,136/345,203,320.86
  6. Step 6: Final answer
    x = 299,314,251.82

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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.