Home / 68,078,996.64-93,941,770.56-38,309,124.96

Finding the Fourth Proportional to 68,078,996.64, 93,941,770.56 and 38,309,124.96

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Solution

The fourth proportional to 68,078,996.64, 93,941,770.56 and 38,309,124.96 is: 52,862,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,078,996.64 : 93,941,770.56 = 38,309,124.96 : x
  2. Step 2: Convert to fraction form
    68,078,996.64/93,941,770.56 = 38,309,124.96/x
  3. Step 3: Cross multiply
    68,078,996.64x = 93,941,770.56 × 38,309,124.96
  4. Step 4: Simplify right side
    68,078,996.64x = 3,598,827,027,346,689.50
  5. Step 5: Solve for x
    x = 3,598,827,027,346,689.50/68,078,996.64
  6. Step 6: Final answer
    x = 52,862,515.68

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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.