Home / 111,348,781.41-153,664,842.22-64,305,003.84

Finding the Fourth Proportional to 111,348,781.41, 153,664,842.22 and 64,305,003.84

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Solution

The fourth proportional to 111,348,781.41, 153,664,842.22 and 64,305,003.84 is: 88,742,940.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,348,781.41 : 153,664,842.22 = 64,305,003.84 : x
  2. Step 2: Convert to fraction form
    111,348,781.41/153,664,842.22 = 64,305,003.84/x
  3. Step 3: Cross multiply
    111,348,781.41x = 153,664,842.22 × 64,305,003.84
  4. Step 4: Simplify right side
    111,348,781.41x = 9,881,418,268,293,088
  5. Step 5: Solve for x
    x = 9,881,418,268,293,088/111,348,781.41
  6. Step 6: Final answer
    x = 88,742,940.36

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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.