Home / 43,016,543.55-64,524,756.73-19,974,878.44

Finding the Fourth Proportional to 43,016,543.55, 64,524,756.73 and 19,974,878.44

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Solution

The fourth proportional to 43,016,543.55, 64,524,756.73 and 19,974,878.44 is: 29,962,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,016,543.55 : 64,524,756.73 = 19,974,878.44 : x
  2. Step 2: Convert to fraction form
    43,016,543.55/64,524,756.73 = 19,974,878.44/x
  3. Step 3: Cross multiply
    43,016,543.55x = 64,524,756.73 × 19,974,878.44
  4. Step 4: Simplify right side
    43,016,543.55x = 1,288,874,172,052,322
  5. Step 5: Solve for x
    x = 1,288,874,172,052,322/43,016,543.55
  6. Step 6: Final answer
    x = 29,962,290.45

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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.