Home / 221,012,703.20-330,881,325.60-195,503,535.20

Finding the Fourth Proportional to 221,012,703.20, 330,881,325.60 and 195,503,535.20

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Solution

The fourth proportional to 221,012,703.20, 330,881,325.60 and 195,503,535.20 is: 292,691,179.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,012,703.20 : 330,881,325.60 = 195,503,535.20 : x
  2. Step 2: Convert to fraction form
    221,012,703.20/330,881,325.60 = 195,503,535.20/x
  3. Step 3: Cross multiply
    221,012,703.20x = 330,881,325.60 × 195,503,535.20
  4. Step 4: Simplify right side
    221,012,703.20x = 64,688,468,886,462,264
  5. Step 5: Solve for x
    x = 64,688,468,886,462,264/221,012,703.20
  6. Step 6: Final answer
    x = 292,691,179.96

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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.