Home / 115,943,609.56-160,002,513.50-66,384,743.40

Finding the Fourth Proportional to 115,943,609.56, 160,002,513.50 and 66,384,743.40

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Solution

The fourth proportional to 115,943,609.56, 160,002,513.50 and 66,384,743.40 is: 91,611,136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,943,609.56 : 160,002,513.50 = 66,384,743.40 : x
  2. Step 2: Convert to fraction form
    115,943,609.56/160,002,513.50 = 66,384,743.40/x
  3. Step 3: Cross multiply
    115,943,609.56x = 160,002,513.50 × 66,384,743.40
  4. Step 4: Simplify right side
    115,943,609.56x = 10,621,725,802,052,536
  5. Step 5: Solve for x
    x = 10,621,725,802,052,536/115,943,609.56
  6. Step 6: Final answer
    x = 91,611,136.16

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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.