Home / 209,736,015.10-314,604,022.65-133,397,467.90

Finding the Fourth Proportional to 209,736,015.10, 314,604,022.65 and 133,397,467.90

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Solution

The fourth proportional to 209,736,015.10, 314,604,022.65 and 133,397,467.90 is: 200,096,201.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,736,015.10 : 314,604,022.65 = 133,397,467.90 : x
  2. Step 2: Convert to fraction form
    209,736,015.10/314,604,022.65 = 133,397,467.90/x
  3. Step 3: Cross multiply
    209,736,015.10x = 314,604,022.65 × 133,397,467.90
  4. Step 4: Simplify right side
    209,736,015.10x = 41,967,380,012,664,248
  5. Step 5: Solve for x
    x = 41,967,380,012,664,248/209,736,015.10
  6. Step 6: Final answer
    x = 200,096,201.85

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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.