Home / 75,813,786.56-113,734,852.81-30,379,124.00

Finding the Fourth Proportional to 75,813,786.56, 113,734,852.81 and 30,379,124.00

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Solution

The fourth proportional to 75,813,786.56, 113,734,852.81 and 30,379,124.00 is: 45,574,365.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,813,786.56 : 113,734,852.81 = 30,379,124.00 : x
  2. Step 2: Convert to fraction form
    75,813,786.56/113,734,852.81 = 30,379,124.00/x
  3. Step 3: Cross multiply
    75,813,786.56x = 113,734,852.81 × 30,379,124.00
  4. Step 4: Simplify right side
    75,813,786.56x = 3,455,165,195,992,116.50
  5. Step 5: Solve for x
    x = 3,455,165,195,992,116.50/75,813,786.56
  6. Step 6: Final answer
    x = 45,574,365.20

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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.