Home / 112,332,560.40-168,449,074.20-51,766,851.60

Finding the Fourth Proportional to 112,332,560.40, 168,449,074.20 and 51,766,851.60

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Solution

The fourth proportional to 112,332,560.40, 168,449,074.20 and 51,766,851.60 is: 77,627,343.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,332,560.40 : 168,449,074.20 = 51,766,851.60 : x
  2. Step 2: Convert to fraction form
    112,332,560.40/168,449,074.20 = 51,766,851.60/x
  3. Step 3: Cross multiply
    112,332,560.40x = 168,449,074.20 × 51,766,851.60
  4. Step 4: Simplify right side
    112,332,560.40x = 8,720,078,226,268,788
  5. Step 5: Solve for x
    x = 8,720,078,226,268,788/112,332,560.40
  6. Step 6: Final answer
    x = 77,627,343.27

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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.