Home / 145,552,067.60-218,328,101.40-133,647,789.20

Finding the Fourth Proportional to 145,552,067.60, 218,328,101.40 and 133,647,789.20

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Solution

The fourth proportional to 145,552,067.60, 218,328,101.40 and 133,647,789.20 is: 200,471,683.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,552,067.60 : 218,328,101.40 = 133,647,789.20 : x
  2. Step 2: Convert to fraction form
    145,552,067.60/218,328,101.40 = 133,647,789.20/x
  3. Step 3: Cross multiply
    145,552,067.60x = 218,328,101.40 × 133,647,789.20
  4. Step 4: Simplify right side
    145,552,067.60x = 29,179,068,072,343,428
  5. Step 5: Solve for x
    x = 29,179,068,072,343,428/145,552,067.60
  6. Step 6: Final answer
    x = 200,471,683.80

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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.