Home / 147,449,407.48-203,485,069.59-80,472,033.10

Finding the Fourth Proportional to 147,449,407.48, 203,485,069.59 and 80,472,033.10

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Solution

The fourth proportional to 147,449,407.48, 203,485,069.59 and 80,472,033.10 is: 111,054,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,449,407.48 : 203,485,069.59 = 80,472,033.10 : x
  2. Step 2: Convert to fraction form
    147,449,407.48/203,485,069.59 = 80,472,033.10/x
  3. Step 3: Cross multiply
    147,449,407.48x = 203,485,069.59 × 80,472,033.10
  4. Step 4: Simplify right side
    147,449,407.48x = 16,374,857,255,402,282
  5. Step 5: Solve for x
    x = 16,374,857,255,402,282/147,449,407.48
  6. Step 6: Final answer
    x = 111,054,072.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.