Home / 73,815,791.12-101,863,817.40-40,775,329.16

Finding the Fourth Proportional to 73,815,791.12, 101,863,817.40 and 40,775,329.16

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Solution

The fourth proportional to 73,815,791.12, 101,863,817.40 and 40,775,329.16 is: 56,268,863.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,815,791.12 : 101,863,817.40 = 40,775,329.16 : x
  2. Step 2: Convert to fraction form
    73,815,791.12/101,863,817.40 = 40,775,329.16/x
  3. Step 3: Cross multiply
    73,815,791.12x = 101,863,817.40 × 40,775,329.16
  4. Step 4: Simplify right side
    73,815,791.12x = 4,153,530,683,979,135.50
  5. Step 5: Solve for x
    x = 4,153,530,683,979,135.50/73,815,791.12
  6. Step 6: Final answer
    x = 56,268,863.63

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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.