Home / 123,633,806.76-170,606,118.72-68,625,333

Finding the Fourth Proportional to 123,633,806.76, 170,606,118.72 and 68,625,333

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Solution

The fourth proportional to 123,633,806.76, 170,606,118.72 and 68,625,333 is: 94,698,222.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,633,806.76 : 170,606,118.72 = 68,625,333 : x
  2. Step 2: Convert to fraction form
    123,633,806.76/170,606,118.72 = 68,625,333/x
  3. Step 3: Cross multiply
    123,633,806.76x = 170,606,118.72 × 68,625,333
  4. Step 4: Simplify right side
    123,633,806.76x = 11,707,901,708,997,534
  5. Step 5: Solve for x
    x = 11,707,901,708,997,534/123,633,806.76
  6. Step 6: Final answer
    x = 94,698,222.24

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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.