Home / 161,684,414.80-242,562,051.60-79,842,500.80

Finding the Fourth Proportional to 161,684,414.80, 242,562,051.60 and 79,842,500.80

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Solution

The fourth proportional to 161,684,414.80, 242,562,051.60 and 79,842,500.80 is: 119,781,246.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,684,414.80 : 242,562,051.60 = 79,842,500.80 : x
  2. Step 2: Convert to fraction form
    161,684,414.80/242,562,051.60 = 79,842,500.80/x
  3. Step 3: Cross multiply
    161,684,414.80x = 242,562,051.60 × 79,842,500.80
  4. Step 4: Simplify right side
    161,684,414.80x = 19,366,760,798,922,640
  5. Step 5: Solve for x
    x = 19,366,760,798,922,640/161,684,414.80
  6. Step 6: Final answer
    x = 119,781,246.84

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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.