Home / 72,028,915.65-108,036,102.20-48,834,584.93

Finding the Fourth Proportional to 72,028,915.65, 108,036,102.20 and 48,834,584.93

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Solution

The fourth proportional to 72,028,915.65, 108,036,102.20 and 48,834,584.93 is: 73,246,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,028,915.65 : 108,036,102.20 = 48,834,584.93 : x
  2. Step 2: Convert to fraction form
    72,028,915.65/108,036,102.20 = 48,834,584.93/x
  3. Step 3: Cross multiply
    72,028,915.65x = 108,036,102.20 × 48,834,584.93
  4. Step 4: Simplify right side
    72,028,915.65x = 5,275,898,207,607,706
  5. Step 5: Solve for x
    x = 5,275,898,207,607,706/72,028,915.65
  6. Step 6: Final answer
    x = 73,246,947.56

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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.