Home / 221,012,746.20-330,881,390.10-195,503,578.20

Finding the Fourth Proportional to 221,012,746.20, 330,881,390.10 and 195,503,578.20

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Solution

The fourth proportional to 221,012,746.20, 330,881,390.10 and 195,503,578.20 is: 292,691,244.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,012,746.20 : 330,881,390.10 = 195,503,578.20 : x
  2. Step 2: Convert to fraction form
    221,012,746.20/330,881,390.10 = 195,503,578.20/x
  3. Step 3: Cross multiply
    221,012,746.20x = 330,881,390.10 × 195,503,578.20
  4. Step 4: Simplify right side
    221,012,746.20x = 64,688,495,724,340,056
  5. Step 5: Solve for x
    x = 64,688,495,724,340,056/221,012,746.20
  6. Step 6: Final answer
    x = 292,691,244.45

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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.