Home / 209,925,906.60-314,888,859.90-133,587,359.40

Finding the Fourth Proportional to 209,925,906.60, 314,888,859.90 and 133,587,359.40

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Solution

The fourth proportional to 209,925,906.60, 314,888,859.90 and 133,587,359.40 is: 200,381,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,925,906.60 : 314,888,859.90 = 133,587,359.40 : x
  2. Step 2: Convert to fraction form
    209,925,906.60/314,888,859.90 = 133,587,359.40/x
  3. Step 3: Cross multiply
    209,925,906.60x = 314,888,859.90 × 133,587,359.40
  4. Step 4: Simplify right side
    209,925,906.60x = 42,065,171,298,517,544
  5. Step 5: Solve for x
    x = 42,065,171,298,517,544/209,925,906.60
  6. Step 6: Final answer
    x = 200,381,039.10

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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.