Home / 81,632,131.49-122,160,598.54-50,941,151.30

Finding the Fourth Proportional to 81,632,131.49, 122,160,598.54 and 50,941,151.30

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Solution

The fourth proportional to 81,632,131.49, 122,160,598.54 and 50,941,151.30 is: 76,232,255.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,632,131.49 : 122,160,598.54 = 50,941,151.30 : x
  2. Step 2: Convert to fraction form
    81,632,131.49/122,160,598.54 = 50,941,151.30/x
  3. Step 3: Cross multiply
    81,632,131.49x = 122,160,598.54 × 50,941,151.30
  4. Step 4: Simplify right side
    81,632,131.49x = 6,223,001,533,302,748
  5. Step 5: Solve for x
    x = 6,223,001,533,302,748/81,632,131.49
  6. Step 6: Final answer
    x = 76,232,255.85

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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.