Home / 123,633,837.76-170,606,161.50-68,625,364

Finding the Fourth Proportional to 123,633,837.76, 170,606,161.50 and 68,625,364

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Solution

The fourth proportional to 123,633,837.76, 170,606,161.50 and 68,625,364 is: 94,698,265.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,633,837.76 : 170,606,161.50 = 68,625,364 : x
  2. Step 2: Convert to fraction form
    123,633,837.76/170,606,161.50 = 68,625,364/x
  3. Step 3: Cross multiply
    123,633,837.76x = 170,606,161.50 × 68,625,364
  4. Step 4: Simplify right side
    123,633,837.76x = 11,707,909,933,580,286
  5. Step 5: Solve for x
    x = 11,707,909,933,580,286/123,633,837.76
  6. Step 6: Final answer
    x = 94,698,265.02

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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.