Home / 158,060,500.85-236,917,796.02-81,388,129.97

Finding the Fourth Proportional to 158,060,500.85, 236,917,796.02 and 81,388,129.97

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Solution

The fourth proportional to 158,060,500.85, 236,917,796.02 and 81,388,129.97 is: 121,993,137.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,060,500.85 : 236,917,796.02 = 81,388,129.97 : x
  2. Step 2: Convert to fraction form
    158,060,500.85/236,917,796.02 = 81,388,129.97/x
  3. Step 3: Cross multiply
    158,060,500.85x = 236,917,796.02 × 81,388,129.97
  4. Step 4: Simplify right side
    158,060,500.85x = 19,282,296,373,293,652
  5. Step 5: Solve for x
    x = 19,282,296,373,293,652/158,060,500.85
  6. Step 6: Final answer
    x = 121,993,137.25

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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.