Home / 45,486,015.30-68,252,642.55-19,929,608.10

Finding the Fourth Proportional to 45,486,015.30, 68,252,642.55 and 19,929,608.10

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Solution

The fourth proportional to 45,486,015.30, 68,252,642.55 and 19,929,608.10 is: 29,904,761.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,486,015.30 : 68,252,642.55 = 19,929,608.10 : x
  2. Step 2: Convert to fraction form
    45,486,015.30/68,252,642.55 = 19,929,608.10/x
  3. Step 3: Cross multiply
    45,486,015.30x = 68,252,642.55 × 19,929,608.10
  4. Step 4: Simplify right side
    45,486,015.30x = 1,360,248,417,810,884.75
  5. Step 5: Solve for x
    x = 1,360,248,417,810,884.75/45,486,015.30
  6. Step 6: Final answer
    x = 29,904,761.03

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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.