Home / 75,813,786.18-113,734,852.25-30,379,123.62

Finding the Fourth Proportional to 75,813,786.18, 113,734,852.25 and 30,379,123.62

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Solution

The fourth proportional to 75,813,786.18, 113,734,852.25 and 30,379,123.62 is: 45,574,364.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,813,786.18 : 113,734,852.25 = 30,379,123.62 : x
  2. Step 2: Convert to fraction form
    75,813,786.18/113,734,852.25 = 30,379,123.62/x
  3. Step 3: Cross multiply
    75,813,786.18x = 113,734,852.25 × 30,379,123.62
  4. Step 4: Simplify right side
    75,813,786.18x = 3,455,165,136,253,290
  5. Step 5: Solve for x
    x = 3,455,165,136,253,290/75,813,786.18
  6. Step 6: Final answer
    x = 45,574,364.64

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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.