Home / 69,979,881.40-96,572,277.42-39,040,050.64

Finding the Fourth Proportional to 69,979,881.40, 96,572,277.42 and 39,040,050.64

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Solution

The fourth proportional to 69,979,881.40, 96,572,277.42 and 39,040,050.64 is: 53,875,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,979,881.40 : 96,572,277.42 = 39,040,050.64 : x
  2. Step 2: Convert to fraction form
    69,979,881.40/96,572,277.42 = 39,040,050.64/x
  3. Step 3: Cross multiply
    69,979,881.40x = 96,572,277.42 × 39,040,050.64
  4. Step 4: Simplify right side
    69,979,881.40x = 3,770,186,600,896,928.50
  5. Step 5: Solve for x
    x = 3,770,186,600,896,928.50/69,979,881.40
  6. Step 6: Final answer
    x = 53,875,292.81

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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.