Home / 125,626,668.59-173,247,838.38-81,526,513.43

Finding the Fourth Proportional to 125,626,668.59, 173,247,838.38 and 81,526,513.43

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Solution

The fourth proportional to 125,626,668.59, 173,247,838.38 and 81,526,513.43 is: 112,430,683.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,626,668.59 : 173,247,838.38 = 81,526,513.43 : x
  2. Step 2: Convert to fraction form
    125,626,668.59/173,247,838.38 = 81,526,513.43/x
  3. Step 3: Cross multiply
    125,626,668.59x = 173,247,838.38 × 81,526,513.43
  4. Step 4: Simplify right side
    125,626,668.59x = 14,124,292,222,405,540
  5. Step 5: Solve for x
    x = 14,124,292,222,405,540/125,626,668.59
  6. Step 6: Final answer
    x = 112,430,683.56

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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.