Home / 170,735,229.90-256,085,609.33-115,756,075.56

Finding the Fourth Proportional to 170,735,229.90, 256,085,609.33 and 115,756,075.56

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Solution

The fourth proportional to 170,735,229.90, 256,085,609.33 and 115,756,075.56 is: 173,622,427.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,735,229.90 : 256,085,609.33 = 115,756,075.56 : x
  2. Step 2: Convert to fraction form
    170,735,229.90/256,085,609.33 = 115,756,075.56/x
  3. Step 3: Cross multiply
    170,735,229.90x = 256,085,609.33 × 115,756,075.56
  4. Step 4: Simplify right side
    170,735,229.90x = 29,643,465,142,151,696
  5. Step 5: Solve for x
    x = 29,643,465,142,151,696/170,735,229.90
  6. Step 6: Final answer
    x = 173,622,427.89

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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.