Home / 121,264,090.80-181,897,691.40-40,485,058.80

Finding the Fourth Proportional to 121,264,090.80, 181,897,691.40 and 40,485,058.80

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Solution

The fourth proportional to 121,264,090.80, 181,897,691.40 and 40,485,058.80 is: 60,728,107.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,264,090.80 : 181,897,691.40 = 40,485,058.80 : x
  2. Step 2: Convert to fraction form
    121,264,090.80/181,897,691.40 = 40,485,058.80/x
  3. Step 3: Cross multiply
    121,264,090.80x = 181,897,691.40 × 40,485,058.80
  4. Step 4: Simplify right side
    121,264,090.80x = 7,364,138,731,913,254
  5. Step 5: Solve for x
    x = 7,364,138,731,913,254/121,264,090.80
  6. Step 6: Final answer
    x = 60,728,107.42

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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.