Home / 30,213,422.70-45,320,134.05-26,103,612.30

Finding the Fourth Proportional to 30,213,422.70, 45,320,134.05 and 26,103,612.30

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Solution

The fourth proportional to 30,213,422.70, 45,320,134.05 and 26,103,612.30 is: 39,155,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213,422.70 : 45,320,134.05 = 26,103,612.30 : x
  2. Step 2: Convert to fraction form
    30,213,422.70/45,320,134.05 = 26,103,612.30/x
  3. Step 3: Cross multiply
    30,213,422.70x = 45,320,134.05 × 26,103,612.30
  4. Step 4: Simplify right side
    30,213,422.70x = 1,183,019,208,625,228.75
  5. Step 5: Solve for x
    x = 1,183,019,208,625,228.75/30,213,422.70
  6. Step 6: Final answer
    x = 39,155,418.45

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Similar ratio
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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.