Home / 185,567,983,397.68-278,238,058,650.24-72,115,239,205.48

Finding the Fourth Proportional to 185,567,983,397.68, 278,238,058,650.24 and 72,115,239,205.48

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Solution

The fourth proportional to 185,567,983,397.68, 278,238,058,650.24 and 72,115,239,205.48 is: 108,128,588,715.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,567,983,397.68 : 278,238,058,650.24 = 72,115,239,205.48 : x
  2. Step 2: Convert to fraction form
    185,567,983,397.68/278,238,058,650.24 = 72,115,239,205.48/x
  3. Step 3: Cross multiply
    185,567,983,397.68x = 278,238,058,650.24 × 72,115,239,205.48
  4. Step 4: Simplify right side
    185,567,983,397.68x = 20,065,204,155,630,428,880,896
  5. Step 5: Solve for x
    x = 20,065,204,155,630,428,880,896/185,567,983,397.68
  6. Step 6: Final answer
    x = 108,128,588,715.81

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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.