Home / 71,041,824.40-98,037,716.20-38,446,776.08

Finding the Fourth Proportional to 71,041,824.40, 98,037,716.20 and 38,446,776.08

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Solution

The fourth proportional to 71,041,824.40, 98,037,716.20 and 38,446,776.08 is: 53,056,550.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,041,824.40 : 98,037,716.20 = 38,446,776.08 : x
  2. Step 2: Convert to fraction form
    71,041,824.40/98,037,716.20 = 38,446,776.08/x
  3. Step 3: Cross multiply
    71,041,824.40x = 98,037,716.20 × 38,446,776.08
  4. Step 4: Simplify right side
    71,041,824.40x = 3,769,234,122,135,988.50
  5. Step 5: Solve for x
    x = 3,769,234,122,135,988.50/71,041,824.40
  6. Step 6: Final answer
    x = 53,056,550.19

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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.