Home / 158,465,871.83-218,602,418.42-103,493,906.39

Finding the Fourth Proportional to 158,465,871.83, 218,602,418.42 and 103,493,906.39

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Solution

The fourth proportional to 158,465,871.83, 218,602,418.42 and 103,493,906.39 is: 142,769,026.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,465,871.83 : 218,602,418.42 = 103,493,906.39 : x
  2. Step 2: Convert to fraction form
    158,465,871.83/218,602,418.42 = 103,493,906.39/x
  3. Step 3: Cross multiply
    158,465,871.83x = 218,602,418.42 × 103,493,906.39
  4. Step 4: Simplify right side
    158,465,871.83x = 22,624,018,228,069,620
  5. Step 5: Solve for x
    x = 22,624,018,228,069,620/158,465,871.83
  6. Step 6: Final answer
    x = 142,769,026.33

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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.