Home / 371,913,992.96-557,870,906.40-135,581,232.46

Finding the Fourth Proportional to 371,913,992.96, 557,870,906.40 and 135,581,232.46

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Solution

The fourth proportional to 371,913,992.96, 557,870,906.40 and 135,581,232.46 is: 203,371,818.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,913,992.96 : 557,870,906.40 = 135,581,232.46 : x
  2. Step 2: Convert to fraction form
    371,913,992.96/557,870,906.40 = 135,581,232.46/x
  3. Step 3: Cross multiply
    371,913,992.96x = 557,870,906.40 × 135,581,232.46
  4. Step 4: Simplify right side
    371,913,992.96x = 75,636,825,043,853,104
  5. Step 5: Solve for x
    x = 75,636,825,043,853,104/371,913,992.96
  6. Step 6: Final answer
    x = 203,371,818.42

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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.