Home / 160,221,816.22-221,115,372.96-89,656,810.37

Finding the Fourth Proportional to 160,221,816.22, 221,115,372.96 and 89,656,810.37

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Solution

The fourth proportional to 160,221,816.22, 221,115,372.96 and 89,656,810.37 is: 123,731,583.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,221,816.22 : 221,115,372.96 = 89,656,810.37 : x
  2. Step 2: Convert to fraction form
    160,221,816.22/221,115,372.96 = 89,656,810.37/x
  3. Step 3: Cross multiply
    160,221,816.22x = 221,115,372.96 × 89,656,810.37
  4. Step 4: Simplify right side
    160,221,816.22x = 19,824,499,062,753,940
  5. Step 5: Solve for x
    x = 19,824,499,062,753,940/160,221,816.22
  6. Step 6: Final answer
    x = 123,731,583.69

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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.