Home / 71,416,043.71-98,555,220.17-40,061,043.19

Finding the Fourth Proportional to 71,416,043.71, 98,555,220.17 and 40,061,043.19

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Solution

The fourth proportional to 71,416,043.71, 98,555,220.17 and 40,061,043.19 is: 55,284,845.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,416,043.71 : 98,555,220.17 = 40,061,043.19 : x
  2. Step 2: Convert to fraction form
    71,416,043.71/98,555,220.17 = 40,061,043.19/x
  3. Step 3: Cross multiply
    71,416,043.71x = 98,555,220.17 × 40,061,043.19
  4. Step 4: Simplify right side
    71,416,043.71x = 3,948,224,931,630,024
  5. Step 5: Solve for x
    x = 3,948,224,931,630,024/71,416,043.71
  6. Step 6: Final answer
    x = 55,284,845.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.