Home / 185,567,983,209.92-278,238,058,369.80-72,115,239,017.86

Finding the Fourth Proportional to 185,567,983,209.92, 278,238,058,369.80 and 72,115,239,017.86

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Solution

The fourth proportional to 185,567,983,209.92, 278,238,058,369.80 and 72,115,239,017.86 is: 108,128,588,434.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,567,983,209.92 : 278,238,058,369.80 = 72,115,239,017.86 : x
  2. Step 2: Convert to fraction form
    185,567,983,209.92/278,238,058,369.80 = 72,115,239,017.86/x
  3. Step 3: Cross multiply
    185,567,983,209.92x = 278,238,058,369.80 × 72,115,239,017.86
  4. Step 4: Simplify right side
    185,567,983,209.92x = 20,065,204,083,203,409,707,008
  5. Step 5: Solve for x
    x = 20,065,204,083,203,409,707,008/185,567,983,209.92
  6. Step 6: Final answer
    x = 108,128,588,434.92

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1.5x scale

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.