Home / 159,654,004.70-239,481,007.05-142,435,316.30

Finding the Fourth Proportional to 159,654,004.70, 239,481,007.05 and 142,435,316.30

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Solution

The fourth proportional to 159,654,004.70, 239,481,007.05 and 142,435,316.30 is: 213,652,974.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,654,004.70 : 239,481,007.05 = 142,435,316.30 : x
  2. Step 2: Convert to fraction form
    159,654,004.70/239,481,007.05 = 142,435,316.30/x
  3. Step 3: Cross multiply
    159,654,004.70x = 239,481,007.05 × 142,435,316.30
  4. Step 4: Simplify right side
    159,654,004.70x = 34,110,552,987,009,284
  5. Step 5: Solve for x
    x = 34,110,552,987,009,284/159,654,004.70
  6. Step 6: Final answer
    x = 213,652,974.45

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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.