Home / 69,979,806.63-96,572,174.67-39,039,975.81

Finding the Fourth Proportional to 69,979,806.63, 96,572,174.67 and 39,039,975.81

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Solution

The fourth proportional to 69,979,806.63, 96,572,174.67 and 39,039,975.81 is: 53,875,189.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,979,806.63 : 96,572,174.67 = 39,039,975.81 : x
  2. Step 2: Convert to fraction form
    69,979,806.63/96,572,174.67 = 39,039,975.81/x
  3. Step 3: Cross multiply
    69,979,806.63x = 96,572,174.67 × 39,039,975.81
  4. Step 4: Simplify right side
    69,979,806.63x = 3,770,175,363,035,895
  5. Step 5: Solve for x
    x = 3,770,175,363,035,895/69,979,806.63
  6. Step 6: Final answer
    x = 53,875,189.78

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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.