Home / 55,417,847.10-82,985,053.05-40,962,651.90

Finding the Fourth Proportional to 55,417,847.10, 82,985,053.05 and 40,962,651.90

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Solution

The fourth proportional to 55,417,847.10, 82,985,053.05 and 40,962,651.90 is: 61,339,225.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,417,847.10 : 82,985,053.05 = 40,962,651.90 : x
  2. Step 2: Convert to fraction form
    55,417,847.10/82,985,053.05 = 40,962,651.90/x
  3. Step 3: Cross multiply
    55,417,847.10x = 82,985,053.05 × 40,962,651.90
  4. Step 4: Simplify right side
    55,417,847.10x = 3,399,287,840,990,183
  5. Step 5: Solve for x
    x = 3,399,287,840,990,183/55,417,847.10
  6. Step 6: Final answer
    x = 61,339,225.88

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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.