Home / 75,535,446.40-113,303,169.60-74,275,734.40

Finding the Fourth Proportional to 75,535,446.40, 113,303,169.60 and 74,275,734.40

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Solution

The fourth proportional to 75,535,446.40, 113,303,169.60 and 74,275,734.40 is: 111,413,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,535,446.40 : 113,303,169.60 = 74,275,734.40 : x
  2. Step 2: Convert to fraction form
    75,535,446.40/113,303,169.60 = 74,275,734.40/x
  3. Step 3: Cross multiply
    75,535,446.40x = 113,303,169.60 × 74,275,734.40
  4. Step 4: Simplify right side
    75,535,446.40x = 8,415,676,131,887,754
  5. Step 5: Solve for x
    x = 8,415,676,131,887,754/75,535,446.40
  6. Step 6: Final answer
    x = 111,413,601.60

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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.