Home / 159,654,018.20-239,481,027.30-142,435,329.80

Finding the Fourth Proportional to 159,654,018.20, 239,481,027.30 and 142,435,329.80

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Solution

The fourth proportional to 159,654,018.20, 239,481,027.30 and 142,435,329.80 is: 213,652,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,654,018.20 : 239,481,027.30 = 142,435,329.80 : x
  2. Step 2: Convert to fraction form
    159,654,018.20/239,481,027.30 = 142,435,329.80/x
  3. Step 3: Cross multiply
    159,654,018.20x = 239,481,027.30 × 142,435,329.80
  4. Step 4: Simplify right side
    159,654,018.20x = 34,110,559,104,318,308
  5. Step 5: Solve for x
    x = 34,110,559,104,318,308/159,654,018.20
  6. Step 6: Final answer
    x = 213,652,994.70

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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.