Home / 302,516,942.80-453,775,414.20-87,127,963.60

Finding the Fourth Proportional to 302,516,942.80, 453,775,414.20 and 87,127,963.60

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Solution

The fourth proportional to 302,516,942.80, 453,775,414.20 and 87,127,963.60 is: 130,691,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,516,942.80 : 453,775,414.20 = 87,127,963.60 : x
  2. Step 2: Convert to fraction form
    302,516,942.80/453,775,414.20 = 87,127,963.60/x
  3. Step 3: Cross multiply
    302,516,942.80x = 453,775,414.20 × 87,127,963.60
  4. Step 4: Simplify right side
    302,516,942.80x = 39,536,527,770,992,520
  5. Step 5: Solve for x
    x = 39,536,527,770,992,520/302,516,942.80
  6. Step 6: Final answer
    x = 130,691,945.40

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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.