Home / 159,654,017.20-239,481,025.80-142,435,328.80

Finding the Fourth Proportional to 159,654,017.20, 239,481,025.80 and 142,435,328.80

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Solution

The fourth proportional to 159,654,017.20, 239,481,025.80 and 142,435,328.80 is: 213,652,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,654,017.20 : 239,481,025.80 = 142,435,328.80 : x
  2. Step 2: Convert to fraction form
    159,654,017.20/239,481,025.80 = 142,435,328.80/x
  3. Step 3: Cross multiply
    159,654,017.20x = 239,481,025.80 × 142,435,328.80
  4. Step 4: Simplify right side
    159,654,017.20x = 34,110,558,651,184,288
  5. Step 5: Solve for x
    x = 34,110,558,651,184,288/159,654,017.20
  6. Step 6: Final answer
    x = 213,652,993.20

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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.