Home / 52,002,280.80-78,003,421.20-43,641,525.60

Finding the Fourth Proportional to 52,002,280.80, 78,003,421.20 and 43,641,525.60

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Solution

The fourth proportional to 52,002,280.80, 78,003,421.20 and 43,641,525.60 is: 65,462,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002,280.80 : 78,003,421.20 = 43,641,525.60 : x
  2. Step 2: Convert to fraction form
    52,002,280.80/78,003,421.20 = 43,641,525.60/x
  3. Step 3: Cross multiply
    52,002,280.80x = 78,003,421.20 × 43,641,525.60
  4. Step 4: Simplify right side
    52,002,280.80x = 3,404,188,303,187,383
  5. Step 5: Solve for x
    x = 3,404,188,303,187,383/52,002,280.80
  6. Step 6: Final answer
    x = 65,462,288.40

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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.