Home / 55,088,716.20-82,664,567.10-21,034,501.80

Finding the Fourth Proportional to 55,088,716.20, 82,664,567.10 and 21,034,501.80

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Solution

The fourth proportional to 55,088,716.20, 82,664,567.10 and 21,034,501.80 is: 31,563,777.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,088,716.20 : 82,664,567.10 = 21,034,501.80 : x
  2. Step 2: Convert to fraction form
    55,088,716.20/82,664,567.10 = 21,034,501.80/x
  3. Step 3: Cross multiply
    55,088,716.20x = 82,664,567.10 × 21,034,501.80
  4. Step 4: Simplify right side
    55,088,716.20x = 1,738,807,985,461,170.75
  5. Step 5: Solve for x
    x = 1,738,807,985,461,170.75/55,088,716.20
  6. Step 6: Final answer
    x = 31,563,777.58

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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.