Home / 42,707,433-64,163,347.79-27,384,743.30

Finding the Fourth Proportional to 42,707,433, 64,163,347.79 and 27,384,743.30

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Solution

The fourth proportional to 42,707,433, 64,163,347.79 and 27,384,743.30 is: 41,142,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,707,433 : 64,163,347.79 = 27,384,743.30 : x
  2. Step 2: Convert to fraction form
    42,707,433/64,163,347.79 = 27,384,743.30/x
  3. Step 3: Cross multiply
    42,707,433x = 64,163,347.79 × 27,384,743.30
  4. Step 4: Simplify right side
    42,707,433x = 1,757,096,808,040,031.75
  5. Step 5: Solve for x
    x = 1,757,096,808,040,031.75/42,707,433
  6. Step 6: Final answer
    x = 41,142,646.25

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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.