Home / 148,349,272,025.76-222,615,436,377.12-68,745,984,151.20

Finding the Fourth Proportional to 148,349,272,025.76, 222,615,436,377.12 and 68,745,984,151.20

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Solution

The fourth proportional to 148,349,272,025.76, 222,615,436,377.12 and 68,745,984,151.20 is: 103,161,391,033.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,349,272,025.76 : 222,615,436,377.12 = 68,745,984,151.20 : x
  2. Step 2: Convert to fraction form
    148,349,272,025.76/222,615,436,377.12 = 68,745,984,151.20/x
  3. Step 3: Cross multiply
    148,349,272,025.76x = 222,615,436,377.12 × 68,745,984,151.20
  4. Step 4: Simplify right side
    148,349,272,025.76x = 15,303,917,260,993,963,491,328
  5. Step 5: Solve for x
    x = 15,303,917,260,993,963,491,328/148,349,272,025.76
  6. Step 6: Final answer
    x = 103,161,391,033.56

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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.