Home / 42,100,213.40-63,150,320.10-36,893,403.80

Finding the Fourth Proportional to 42,100,213.40, 63,150,320.10 and 36,893,403.80

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Solution

The fourth proportional to 42,100,213.40, 63,150,320.10 and 36,893,403.80 is: 55,340,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,100,213.40 : 63,150,320.10 = 36,893,403.80 : x
  2. Step 2: Convert to fraction form
    42,100,213.40/63,150,320.10 = 36,893,403.80/x
  3. Step 3: Cross multiply
    42,100,213.40x = 63,150,320.10 × 36,893,403.80
  4. Step 4: Simplify right side
    42,100,213.40x = 2,329,830,259,548,556
  5. Step 5: Solve for x
    x = 2,329,830,259,548,556/42,100,213.40
  6. Step 6: Final answer
    x = 55,340,105.70

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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.