Home / 67,072,809.60-100,609,214.40-19,203,753.60

Finding the Fourth Proportional to 67,072,809.60, 100,609,214.40 and 19,203,753.60

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Solution

The fourth proportional to 67,072,809.60, 100,609,214.40 and 19,203,753.60 is: 28,805,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,072,809.60 : 100,609,214.40 = 19,203,753.60 : x
  2. Step 2: Convert to fraction form
    67,072,809.60/100,609,214.40 = 19,203,753.60/x
  3. Step 3: Cross multiply
    67,072,809.60x = 100,609,214.40 × 19,203,753.60
  4. Step 4: Simplify right side
    67,072,809.60x = 1,932,074,563,227,172
  5. Step 5: Solve for x
    x = 1,932,074,563,227,172/67,072,809.60
  6. Step 6: Final answer
    x = 28,805,630.40

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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.