Home / 64,465,905.43-88,970,662.61-38,010,247.57

Finding the Fourth Proportional to 64,465,905.43, 88,970,662.61 and 38,010,247.57

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Solution

The fourth proportional to 64,465,905.43, 88,970,662.61 and 38,010,247.57 is: 52,458,689.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,465,905.43 : 88,970,662.61 = 38,010,247.57 : x
  2. Step 2: Convert to fraction form
    64,465,905.43/88,970,662.61 = 38,010,247.57/x
  3. Step 3: Cross multiply
    64,465,905.43x = 88,970,662.61 × 38,010,247.57
  4. Step 4: Simplify right side
    64,465,905.43x = 3,381,796,912,273,042.50
  5. Step 5: Solve for x
    x = 3,381,796,912,273,042.50/64,465,905.43
  6. Step 6: Final answer
    x = 52,458,689.44

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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.