Home / 78,149,018.42-117,241,383.27-27,030,994.10

Finding the Fourth Proportional to 78,149,018.42, 117,241,383.27 and 27,030,994.10

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Solution

The fourth proportional to 78,149,018.42, 117,241,383.27 and 27,030,994.10 is: 40,552,667.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,149,018.42 : 117,241,383.27 = 27,030,994.10 : x
  2. Step 2: Convert to fraction form
    78,149,018.42/117,241,383.27 = 27,030,994.10/x
  3. Step 3: Cross multiply
    78,149,018.42x = 117,241,383.27 × 27,030,994.10
  4. Step 4: Simplify right side
    78,149,018.42x = 3,169,151,138,861,001.50
  5. Step 5: Solve for x
    x = 3,169,151,138,861,001.50/78,149,018.42
  6. Step 6: Final answer
    x = 40,552,667.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.