Home / 185,567,983,400.68-278,238,058,654.74-72,115,239,208.48

Finding the Fourth Proportional to 185,567,983,400.68, 278,238,058,654.74 and 72,115,239,208.48

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Solution

The fourth proportional to 185,567,983,400.68, 278,238,058,654.74 and 72,115,239,208.48 is: 108,128,588,720.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,567,983,400.68 : 278,238,058,654.74 = 72,115,239,208.48 : x
  2. Step 2: Convert to fraction form
    185,567,983,400.68/278,238,058,654.74 = 72,115,239,208.48/x
  3. Step 3: Cross multiply
    185,567,983,400.68x = 278,238,058,654.74 × 72,115,239,208.48
  4. Step 4: Simplify right side
    185,567,983,400.68x = 20,065,204,156,789,663,203,328
  5. Step 5: Solve for x
    x = 20,065,204,156,789,663,203,328/185,567,983,400.68
  6. Step 6: Final answer
    x = 108,128,588,720.31

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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.