Home / 73,786,827-101,868,323.66-49,040,572.12

Finding the Fourth Proportional to 73,786,827, 101,868,323.66 and 49,040,572.12

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Solution

The fourth proportional to 73,786,827, 101,868,323.66 and 49,040,572.12 is: 67,704,237.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,786,827 : 101,868,323.66 = 49,040,572.12 : x
  2. Step 2: Convert to fraction form
    73,786,827/101,868,323.66 = 49,040,572.12/x
  3. Step 3: Cross multiply
    73,786,827x = 101,868,323.66 × 49,040,572.12
  4. Step 4: Simplify right side
    73,786,827x = 4,995,680,873,191,732
  5. Step 5: Solve for x
    x = 4,995,680,873,191,732/73,786,827
  6. Step 6: Final answer
    x = 67,704,237.68

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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.