Home / 66,428,933.20-99,643,399.80-43,735,454.80

Finding the Fourth Proportional to 66,428,933.20, 99,643,399.80 and 43,735,454.80

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Solution

The fourth proportional to 66,428,933.20, 99,643,399.80 and 43,735,454.80 is: 65,603,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,428,933.20 : 99,643,399.80 = 43,735,454.80 : x
  2. Step 2: Convert to fraction form
    66,428,933.20/99,643,399.80 = 43,735,454.80/x
  3. Step 3: Cross multiply
    66,428,933.20x = 99,643,399.80 × 43,735,454.80
  4. Step 4: Simplify right side
    66,428,933.20x = 4,357,949,408,071,228.50
  5. Step 5: Solve for x
    x = 4,357,949,408,071,228.50/66,428,933.20
  6. Step 6: Final answer
    x = 65,603,182.20

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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.