Home / 215,595,915.20-323,407,869.60-113,559,243.20

Finding the Fourth Proportional to 215,595,915.20, 323,407,869.60 and 113,559,243.20

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Solution

The fourth proportional to 215,595,915.20, 323,407,869.60 and 113,559,243.20 is: 170,346,237.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,595,915.20 : 323,407,869.60 = 113,559,243.20 : x
  2. Step 2: Convert to fraction form
    215,595,915.20/323,407,869.60 = 113,559,243.20/x
  3. Step 3: Cross multiply
    215,595,915.20x = 323,407,869.60 × 113,559,243.20
  4. Step 4: Simplify right side
    215,595,915.20x = 36,725,952,916,700,288
  5. Step 5: Solve for x
    x = 36,725,952,916,700,288/215,595,915.20
  6. Step 6: Final answer
    x = 170,346,237.23

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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.