Home / 82,260,001.59-113,452,611.05-72,315,622.37

Finding the Fourth Proportional to 82,260,001.59, 113,452,611.05 and 72,315,622.37

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Solution

The fourth proportional to 82,260,001.59, 113,452,611.05 and 72,315,622.37 is: 99,737,369.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,260,001.59 : 113,452,611.05 = 72,315,622.37 : x
  2. Step 2: Convert to fraction form
    82,260,001.59/113,452,611.05 = 72,315,622.37/x
  3. Step 3: Cross multiply
    82,260,001.59x = 113,452,611.05 × 72,315,622.37
  4. Step 4: Simplify right side
    82,260,001.59x = 8,204,396,178,046,710
  5. Step 5: Solve for x
    x = 8,204,396,178,046,710/82,260,001.59
  6. Step 6: Final answer
    x = 99,737,369.56

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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.