Home / 199,627,791.20-299,441,686.80-170,402,472.80

Finding the Fourth Proportional to 199,627,791.20, 299,441,686.80 and 170,402,472.80

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Solution

The fourth proportional to 199,627,791.20, 299,441,686.80 and 170,402,472.80 is: 255,603,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,627,791.20 : 299,441,686.80 = 170,402,472.80 : x
  2. Step 2: Convert to fraction form
    199,627,791.20/299,441,686.80 = 170,402,472.80/x
  3. Step 3: Cross multiply
    199,627,791.20x = 299,441,686.80 × 170,402,472.80
  4. Step 4: Simplify right side
    199,627,791.20x = 51,025,603,890,123,128
  5. Step 5: Solve for x
    x = 51,025,603,890,123,128/199,627,791.20
  6. Step 6: Final answer
    x = 255,603,709.20

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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.