Home / 112,113,533.41-168,179,104.01-30,231,178.95

Finding the Fourth Proportional to 112,113,533.41, 168,179,104.01 and 30,231,178.95

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Solution

The fourth proportional to 112,113,533.41, 168,179,104.01 and 30,231,178.95 is: 45,349,142.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,113,533.41 : 168,179,104.01 = 30,231,178.95 : x
  2. Step 2: Convert to fraction form
    112,113,533.41/168,179,104.01 = 30,231,178.95/x
  3. Step 3: Cross multiply
    112,113,533.41x = 168,179,104.01 × 30,231,178.95
  4. Step 4: Simplify right side
    112,113,533.41x = 5,084,252,587,984,921
  5. Step 5: Solve for x
    x = 5,084,252,587,984,921/112,113,533.41
  6. Step 6: Final answer
    x = 45,349,142.37

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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.