Home / 125,626,668.09-173,247,837.69-81,526,512.93

Finding the Fourth Proportional to 125,626,668.09, 173,247,837.69 and 81,526,512.93

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Solution

The fourth proportional to 125,626,668.09, 173,247,837.69 and 81,526,512.93 is: 112,430,682.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,626,668.09 : 173,247,837.69 = 81,526,512.93 : x
  2. Step 2: Convert to fraction form
    125,626,668.09/173,247,837.69 = 81,526,512.93/x
  3. Step 3: Cross multiply
    125,626,668.09x = 173,247,837.69 × 81,526,512.93
  4. Step 4: Simplify right side
    125,626,668.09x = 14,124,292,079,528,328
  5. Step 5: Solve for x
    x = 14,124,292,079,528,328/125,626,668.09
  6. Step 6: Final answer
    x = 112,430,682.87

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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.