Home / 211,614,489.56-317,340,858.85-69,611,040.02

Finding the Fourth Proportional to 211,614,489.56, 317,340,858.85 and 69,611,040.02

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Solution

The fourth proportional to 211,614,489.56, 317,340,858.85 and 69,611,040.02 is: 104,389,955.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,614,489.56 : 317,340,858.85 = 69,611,040.02 : x
  2. Step 2: Convert to fraction form
    211,614,489.56/317,340,858.85 = 69,611,040.02/x
  3. Step 3: Cross multiply
    211,614,489.56x = 317,340,858.85 × 69,611,040.02
  4. Step 4: Simplify right side
    211,614,489.56x = 22,090,427,226,007,844
  5. Step 5: Solve for x
    x = 22,090,427,226,007,844/211,614,489.56
  6. Step 6: Final answer
    x = 104,389,955.87

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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.