Home / 71,416,048.21-98,555,226.38-40,061,047.69

Finding the Fourth Proportional to 71,416,048.21, 98,555,226.38 and 40,061,047.69

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Solution

The fourth proportional to 71,416,048.21, 98,555,226.38 and 40,061,047.69 is: 55,284,851.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,416,048.21 : 98,555,226.38 = 40,061,047.69 : x
  2. Step 2: Convert to fraction form
    71,416,048.21/98,555,226.38 = 40,061,047.69/x
  3. Step 3: Cross multiply
    71,416,048.21x = 98,555,226.38 × 40,061,047.69
  4. Step 4: Simplify right side
    71,416,048.21x = 3,948,225,624,107,925.50
  5. Step 5: Solve for x
    x = 3,948,225,624,107,925.50/71,416,048.21
  6. Step 6: Final answer
    x = 55,284,851.56

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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.