Home / 121,405,898.70-182,108,848.05-108,651,314.70

Finding the Fourth Proportional to 121,405,898.70, 182,108,848.05 and 108,651,314.70

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Solution

The fourth proportional to 121,405,898.70, 182,108,848.05 and 108,651,314.70 is: 162,976,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,405,898.70 : 182,108,848.05 = 108,651,314.70 : x
  2. Step 2: Convert to fraction form
    121,405,898.70/182,108,848.05 = 108,651,314.70/x
  3. Step 3: Cross multiply
    121,405,898.70x = 182,108,848.05 × 108,651,314.70
  4. Step 4: Simplify right side
    121,405,898.70x = 19,786,365,759,135,032
  5. Step 5: Solve for x
    x = 19,786,365,759,135,032/121,405,898.70
  6. Step 6: Final answer
    x = 162,976,972.05

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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.