Home / 159,631,285,778.43-239,447,549,890.20-38,619,646,687.16

Finding the Fourth Proportional to 159,631,285,778.43, 239,447,549,890.20 and 38,619,646,687.16

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Solution

The fourth proportional to 159,631,285,778.43, 239,447,549,890.20 and 38,619,646,687.16 is: 57,929,620,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,631,285,778.43 : 239,447,549,890.20 = 38,619,646,687.16 : x
  2. Step 2: Convert to fraction form
    159,631,285,778.43/239,447,549,890.20 = 38,619,646,687.16/x
  3. Step 3: Cross multiply
    159,631,285,778.43x = 239,447,549,890.20 × 38,619,646,687.16
  4. Step 4: Simplify right side
    159,631,285,778.43x = 9,247,379,776,864,443,695,104
  5. Step 5: Solve for x
    x = 9,247,379,776,864,443,695,104/159,631,285,778.43
  6. Step 6: Final answer
    x = 57,929,620,323.30

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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.