Home / 51,842,319.40-77,763,479.10-40,420,930.60

Finding the Fourth Proportional to 51,842,319.40, 77,763,479.10 and 40,420,930.60

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Solution

The fourth proportional to 51,842,319.40, 77,763,479.10 and 40,420,930.60 is: 60,631,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,842,319.40 : 77,763,479.10 = 40,420,930.60 : x
  2. Step 2: Convert to fraction form
    51,842,319.40/77,763,479.10 = 40,420,930.60/x
  3. Step 3: Cross multiply
    51,842,319.40x = 77,763,479.10 × 40,420,930.60
  4. Step 4: Simplify right side
    51,842,319.40x = 3,143,272,191,915,650.50
  5. Step 5: Solve for x
    x = 3,143,272,191,915,650.50/51,842,319.40
  6. Step 6: Final answer
    x = 60,631,395.90

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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.