Home / 68,183,173.80-94,069,439.64-38,807,148.96

Finding the Fourth Proportional to 68,183,173.80, 94,069,439.64 and 38,807,148.96

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Solution

The fourth proportional to 68,183,173.80, 94,069,439.64 and 38,807,148.96 is: 53,540,581.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,183,173.80 : 94,069,439.64 = 38,807,148.96 : x
  2. Step 2: Convert to fraction form
    68,183,173.80/94,069,439.64 = 38,807,148.96/x
  3. Step 3: Cross multiply
    68,183,173.80x = 94,069,439.64 × 38,807,148.96
  4. Step 4: Simplify right side
    68,183,173.80x = 3,650,566,756,693,209
  5. Step 5: Solve for x
    x = 3,650,566,756,693,209/68,183,173.80
  6. Step 6: Final answer
    x = 53,540,581.25

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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.