Home / 75,813,789.07-113,734,856.55-30,379,126.51

Finding the Fourth Proportional to 75,813,789.07, 113,734,856.55 and 30,379,126.51

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Solution

The fourth proportional to 75,813,789.07, 113,734,856.55 and 30,379,126.51 is: 45,574,368.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,813,789.07 : 113,734,856.55 = 30,379,126.51 : x
  2. Step 2: Convert to fraction form
    75,813,789.07/113,734,856.55 = 30,379,126.51/x
  3. Step 3: Cross multiply
    75,813,789.07x = 113,734,856.55 × 30,379,126.51
  4. Step 4: Simplify right side
    75,813,789.07x = 3,455,165,595,729,152
  5. Step 5: Solve for x
    x = 3,455,165,595,729,152/75,813,789.07
  6. Step 6: Final answer
    x = 45,574,368.97

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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.