Home / 122,001,968.32-168,356,654.22-69,070,444.72

Finding the Fourth Proportional to 122,001,968.32, 168,356,654.22 and 69,070,444.72

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Solution

The fourth proportional to 122,001,968.32, 168,356,654.22 and 69,070,444.72 is: 95,313,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,001,968.32 : 168,356,654.22 = 69,070,444.72 : x
  2. Step 2: Convert to fraction form
    122,001,968.32/168,356,654.22 = 69,070,444.72/x
  3. Step 3: Cross multiply
    122,001,968.32x = 168,356,654.22 × 69,070,444.72
  4. Step 4: Simplify right side
    122,001,968.32x = 11,628,468,978,546,664
  5. Step 5: Solve for x
    x = 11,628,468,978,546,664/122,001,968.32
  6. Step 6: Final answer
    x = 95,313,781.73

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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.