Home / 74,687,999.20-112,031,998.80-17,954,303.20

Finding the Fourth Proportional to 74,687,999.20, 112,031,998.80 and 17,954,303.20

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Solution

The fourth proportional to 74,687,999.20, 112,031,998.80 and 17,954,303.20 is: 26,931,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,687,999.20 : 112,031,998.80 = 17,954,303.20 : x
  2. Step 2: Convert to fraction form
    74,687,999.20/112,031,998.80 = 17,954,303.20/x
  3. Step 3: Cross multiply
    74,687,999.20x = 112,031,998.80 × 17,954,303.20
  4. Step 4: Simplify right side
    74,687,999.20x = 2,011,456,474,557,236
  5. Step 5: Solve for x
    x = 2,011,456,474,557,236/74,687,999.20
  6. Step 6: Final answer
    x = 26,931,454.80

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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.