Home / 121,229,078.63-181,845,192.78-40,450,046.63

Finding the Fourth Proportional to 121,229,078.63, 181,845,192.78 and 40,450,046.63

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Solution

The fourth proportional to 121,229,078.63, 181,845,192.78 and 40,450,046.63 is: 60,675,595.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,229,078.63 : 181,845,192.78 = 40,450,046.63 : x
  2. Step 2: Convert to fraction form
    121,229,078.63/181,845,192.78 = 40,450,046.63/x
  3. Step 3: Cross multiply
    121,229,078.63x = 181,845,192.78 × 40,450,046.63
  4. Step 4: Simplify right side
    121,229,078.63x = 7,355,646,526,483,113
  5. Step 5: Solve for x
    x = 7,355,646,526,483,113/121,229,078.63
  6. Step 6: Final answer
    x = 60,675,595.41

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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.