Home / 123,905,635.44-170,989,864.61-68,155,297.47

Finding the Fourth Proportional to 123,905,635.44, 170,989,864.61 and 68,155,297.47

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Solution

The fourth proportional to 123,905,635.44, 170,989,864.61 and 68,155,297.47 is: 94,054,358.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,905,635.44 : 170,989,864.61 = 68,155,297.47 : x
  2. Step 2: Convert to fraction form
    123,905,635.44/170,989,864.61 = 68,155,297.47/x
  3. Step 3: Cross multiply
    123,905,635.44x = 170,989,864.61 × 68,155,297.47
  4. Step 4: Simplify right side
    123,905,635.44x = 11,653,865,086,508,798
  5. Step 5: Solve for x
    x = 11,653,865,086,508,798/123,905,635.44
  6. Step 6: Final answer
    x = 94,054,358.75

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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.