Home / 66,734,020.20-100,101,030.30-53,744,989.80

Finding the Fourth Proportional to 66,734,020.20, 100,101,030.30 and 53,744,989.80

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Solution

The fourth proportional to 66,734,020.20, 100,101,030.30 and 53,744,989.80 is: 80,617,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,734,020.20 : 100,101,030.30 = 53,744,989.80 : x
  2. Step 2: Convert to fraction form
    66,734,020.20/100,101,030.30 = 53,744,989.80/x
  3. Step 3: Cross multiply
    66,734,020.20x = 100,101,030.30 × 53,744,989.80
  4. Step 4: Simplify right side
    66,734,020.20x = 5,379,928,852,442,990
  5. Step 5: Solve for x
    x = 5,379,928,852,442,990/66,734,020.20
  6. Step 6: Final answer
    x = 80,617,484.70

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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.