Home / 219,636,828.87-303,117,999.33-120,536,701.90

Finding the Fourth Proportional to 219,636,828.87, 303,117,999.33 and 120,536,701.90

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Solution

The fourth proportional to 219,636,828.87, 303,117,999.33 and 120,536,701.90 is: 166,351,172.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,636,828.87 : 303,117,999.33 = 120,536,701.90 : x
  2. Step 2: Convert to fraction form
    219,636,828.87/303,117,999.33 = 120,536,701.90/x
  3. Step 3: Cross multiply
    219,636,828.87x = 303,117,999.33 × 120,536,701.90
  4. Step 4: Simplify right side
    219,636,828.87x = 36,536,843,925,764,608
  5. Step 5: Solve for x
    x = 36,536,843,925,764,608/219,636,828.87
  6. Step 6: Final answer
    x = 166,351,172.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.