Home / 172,039,374.40-258,059,061.60-154,521,601.60

Finding the Fourth Proportional to 172,039,374.40, 258,059,061.60 and 154,521,601.60

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Solution

The fourth proportional to 172,039,374.40, 258,059,061.60 and 154,521,601.60 is: 231,782,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,039,374.40 : 258,059,061.60 = 154,521,601.60 : x
  2. Step 2: Convert to fraction form
    172,039,374.40/258,059,061.60 = 154,521,601.60/x
  3. Step 3: Cross multiply
    172,039,374.40x = 258,059,061.60 × 154,521,601.60
  4. Step 4: Simplify right side
    172,039,374.40x = 39,875,699,505,825,056
  5. Step 5: Solve for x
    x = 39,875,699,505,825,056/172,039,374.40
  6. Step 6: Final answer
    x = 231,782,402.40

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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.