Home / 202,752,859.20-304,017,314.40-81,447,259.20

Finding the Fourth Proportional to 202,752,859.20, 304,017,314.40 and 81,447,259.20

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Solution

The fourth proportional to 202,752,859.20, 304,017,314.40 and 81,447,259.20 is: 122,125,907.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,752,859.20 : 304,017,314.40 = 81,447,259.20 : x
  2. Step 2: Convert to fraction form
    202,752,859.20/304,017,314.40 = 81,447,259.20/x
  3. Step 3: Cross multiply
    202,752,859.20x = 304,017,314.40 × 81,447,259.20
  4. Step 4: Simplify right side
    202,752,859.20x = 24,761,377,007,224,692
  5. Step 5: Solve for x
    x = 24,761,377,007,224,692/202,752,859.20
  6. Step 6: Final answer
    x = 122,125,907.89

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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.