Home / 217,812,135.90-326,718,203.85-168,494,411.10

Finding the Fourth Proportional to 217,812,135.90, 326,718,203.85 and 168,494,411.10

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Solution

The fourth proportional to 217,812,135.90, 326,718,203.85 and 168,494,411.10 is: 252,741,616.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,812,135.90 : 326,718,203.85 = 168,494,411.10 : x
  2. Step 2: Convert to fraction form
    217,812,135.90/326,718,203.85 = 168,494,411.10/x
  3. Step 3: Cross multiply
    217,812,135.90x = 326,718,203.85 × 168,494,411.10
  4. Step 4: Simplify right side
    217,812,135.90x = 55,050,191,353,355,504
  5. Step 5: Solve for x
    x = 55,050,191,353,355,504/217,812,135.90
  6. Step 6: Final answer
    x = 252,741,616.65

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1.5x scale

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.