Home / 73,007,719.31-100,750,654.64-40,412,671.31

Finding the Fourth Proportional to 73,007,719.31, 100,750,654.64 and 40,412,671.31

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Solution

The fourth proportional to 73,007,719.31, 100,750,654.64 and 40,412,671.31 is: 55,769,487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,007,719.31 : 100,750,654.64 = 40,412,671.31 : x
  2. Step 2: Convert to fraction form
    73,007,719.31/100,750,654.64 = 40,412,671.31/x
  3. Step 3: Cross multiply
    73,007,719.31x = 100,750,654.64 × 40,412,671.31
  4. Step 4: Simplify right side
    73,007,719.31x = 4,071,603,090,031,583.50
  5. Step 5: Solve for x
    x = 4,071,603,090,031,583.50/73,007,719.31
  6. Step 6: Final answer
    x = 55,769,487.51

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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.