Home / 45,125,921.60-67,663,999.20-18,169,121.60

Finding the Fourth Proportional to 45,125,921.60, 67,663,999.20 and 18,169,121.60

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Solution

The fourth proportional to 45,125,921.60, 67,663,999.20 and 18,169,121.60 is: 27,243,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,125,921.60 : 67,663,999.20 = 18,169,121.60 : x
  2. Step 2: Convert to fraction form
    45,125,921.60/67,663,999.20 = 18,169,121.60/x
  3. Step 3: Cross multiply
    45,125,921.60x = 67,663,999.20 × 18,169,121.60
  4. Step 4: Simplify right side
    45,125,921.60x = 1,229,395,429,407,102.75
  5. Step 5: Solve for x
    x = 1,229,395,429,407,102.75/45,125,921.60
  6. Step 6: Final answer
    x = 27,243,663.64

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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.