Home / 211,141,334,155.20-316,712,001,232.80-71,555,166,859.20

Finding the Fourth Proportional to 211,141,334,155.20, 316,712,001,232.80 and 71,555,166,859.20

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Solution

The fourth proportional to 211,141,334,155.20, 316,712,001,232.80 and 71,555,166,859.20 is: 107,332,750,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,141,334,155.20 : 316,712,001,232.80 = 71,555,166,859.20 : x
  2. Step 2: Convert to fraction form
    211,141,334,155.20/316,712,001,232.80 = 71,555,166,859.20/x
  3. Step 3: Cross multiply
    211,141,334,155.20x = 316,712,001,232.80 × 71,555,166,859.20
  4. Step 4: Simplify right side
    211,141,334,155.20x = 22,662,380,094,524,156,280,832
  5. Step 5: Solve for x
    x = 22,662,380,094,524,156,280,832/211,141,334,155.20
  6. Step 6: Final answer
    x = 107,332,750,288.80

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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.