Home / 52,002,287.80-78,003,431.70-43,641,532.60

Finding the Fourth Proportional to 52,002,287.80, 78,003,431.70 and 43,641,532.60

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Solution

The fourth proportional to 52,002,287.80, 78,003,431.70 and 43,641,532.60 is: 65,462,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002,287.80 : 78,003,431.70 = 43,641,532.60 : x
  2. Step 2: Convert to fraction form
    52,002,287.80/78,003,431.70 = 43,641,532.60/x
  3. Step 3: Cross multiply
    52,002,287.80x = 78,003,431.70 × 43,641,532.60
  4. Step 4: Simplify right side
    52,002,287.80x = 3,404,189,307,447,423.50
  5. Step 5: Solve for x
    x = 3,404,189,307,447,423.50/52,002,287.80
  6. Step 6: Final answer
    x = 65,462,298.90

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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.