Home / 123,633,830.76-170,606,151.84-68,625,357

Finding the Fourth Proportional to 123,633,830.76, 170,606,151.84 and 68,625,357

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Solution

The fourth proportional to 123,633,830.76, 170,606,151.84 and 68,625,357 is: 94,698,255.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,633,830.76 : 170,606,151.84 = 68,625,357 : x
  2. Step 2: Convert to fraction form
    123,633,830.76/170,606,151.84 = 68,625,357/x
  3. Step 3: Cross multiply
    123,633,830.76x = 170,606,151.84 × 68,625,357
  4. Step 4: Simplify right side
    123,633,830.76x = 11,707,908,076,416,208
  5. Step 5: Solve for x
    x = 11,707,908,076,416,208/123,633,830.76
  6. Step 6: Final answer
    x = 94,698,255.36

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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.