Home / 165,998,192.40-248,997,288.60-79,715,793.60

Finding the Fourth Proportional to 165,998,192.40, 248,997,288.60 and 79,715,793.60

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Solution

The fourth proportional to 165,998,192.40, 248,997,288.60 and 79,715,793.60 is: 119,573,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,998,192.40 : 248,997,288.60 = 79,715,793.60 : x
  2. Step 2: Convert to fraction form
    165,998,192.40/248,997,288.60 = 79,715,793.60/x
  3. Step 3: Cross multiply
    165,998,192.40x = 248,997,288.60 × 79,715,793.60
  4. Step 4: Simplify right side
    165,998,192.40x = 19,849,016,464,997,232
  5. Step 5: Solve for x
    x = 19,849,016,464,997,232/165,998,192.40
  6. Step 6: Final answer
    x = 119,573,690.40

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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.