Home / 159,998,674.91-220,816,090.28-90,388,539.82

Finding the Fourth Proportional to 159,998,674.91, 220,816,090.28 and 90,388,539.82

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Solution

The fourth proportional to 159,998,674.91, 220,816,090.28 and 90,388,539.82 is: 124,746,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,998,674.91 : 220,816,090.28 = 90,388,539.82 : x
  2. Step 2: Convert to fraction form
    159,998,674.91/220,816,090.28 = 90,388,539.82/x
  3. Step 3: Cross multiply
    159,998,674.91x = 220,816,090.28 × 90,388,539.82
  4. Step 4: Simplify right side
    159,998,674.91x = 19,959,243,970,420,872
  5. Step 5: Solve for x
    x = 19,959,243,970,420,872/159,998,674.91
  6. Step 6: Final answer
    x = 124,746,307.94

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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.