Home / 68,256,085.60-102,384,128.40-44,069,615.20

Finding the Fourth Proportional to 68,256,085.60, 102,384,128.40 and 44,069,615.20

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Solution

The fourth proportional to 68,256,085.60, 102,384,128.40 and 44,069,615.20 is: 66,104,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,256,085.60 : 102,384,128.40 = 44,069,615.20 : x
  2. Step 2: Convert to fraction form
    68,256,085.60/102,384,128.40 = 44,069,615.20/x
  3. Step 3: Cross multiply
    68,256,085.60x = 102,384,128.40 × 44,069,615.20
  4. Step 4: Simplify right side
    68,256,085.60x = 4,512,029,141,175,392
  5. Step 5: Solve for x
    x = 4,512,029,141,175,392/68,256,085.60
  6. Step 6: Final answer
    x = 66,104,422.80

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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.