Home / 219,180,839.28-302,354,881.56-135,522,228.12

Finding the Fourth Proportional to 219,180,839.28, 302,354,881.56 and 135,522,228.12

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Solution

The fourth proportional to 219,180,839.28, 302,354,881.56 and 135,522,228.12 is: 186,949,768.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,180,839.28 : 302,354,881.56 = 135,522,228.12 : x
  2. Step 2: Convert to fraction form
    219,180,839.28/302,354,881.56 = 135,522,228.12/x
  3. Step 3: Cross multiply
    219,180,839.28x = 302,354,881.56 × 135,522,228.12
  4. Step 4: Simplify right side
    219,180,839.28x = 40,975,807,231,969,904
  5. Step 5: Solve for x
    x = 40,975,807,231,969,904/219,180,839.28
  6. Step 6: Final answer
    x = 186,949,768.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.