Home / 74,734,067.40-112,101,101.10-20,881,379.40

Finding the Fourth Proportional to 74,734,067.40, 112,101,101.10 and 20,881,379.40

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Solution

The fourth proportional to 74,734,067.40, 112,101,101.10 and 20,881,379.40 is: 31,322,069.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,734,067.40 : 112,101,101.10 = 20,881,379.40 : x
  2. Step 2: Convert to fraction form
    74,734,067.40/112,101,101.10 = 20,881,379.40/x
  3. Step 3: Cross multiply
    74,734,067.40x = 112,101,101.10 × 20,881,379.40
  4. Step 4: Simplify right side
    74,734,067.40x = 2,340,825,623,226,857
  5. Step 5: Solve for x
    x = 2,340,825,623,226,857/74,734,067.40
  6. Step 6: Final answer
    x = 31,322,069.10

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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.