Home / 209,928,077.60-314,892,116.40-133,589,530.40

Finding the Fourth Proportional to 209,928,077.60, 314,892,116.40 and 133,589,530.40

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Solution

The fourth proportional to 209,928,077.60, 314,892,116.40 and 133,589,530.40 is: 200,384,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,928,077.60 : 314,892,116.40 = 133,589,530.40 : x
  2. Step 2: Convert to fraction form
    209,928,077.60/314,892,116.40 = 133,589,530.40/x
  3. Step 3: Cross multiply
    209,928,077.60x = 314,892,116.40 × 133,589,530.40
  4. Step 4: Simplify right side
    209,928,077.60x = 42,066,289,956,538,136
  5. Step 5: Solve for x
    x = 42,066,289,956,538,136/209,928,077.60
  6. Step 6: Final answer
    x = 200,384,295.60

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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.