Home / 52,497,587.07-78,750,164.21-20,149,489.60

Finding the Fourth Proportional to 52,497,587.07, 78,750,164.21 and 20,149,489.60

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Solution

The fourth proportional to 52,497,587.07, 78,750,164.21 and 20,149,489.60 is: 30,225,686.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,497,587.07 : 78,750,164.21 = 20,149,489.60 : x
  2. Step 2: Convert to fraction form
    52,497,587.07/78,750,164.21 = 20,149,489.60/x
  3. Step 3: Cross multiply
    52,497,587.07x = 78,750,164.21 × 20,149,489.60
  4. Step 4: Simplify right side
    52,497,587.07x = 1,586,775,614,450,064.25
  5. Step 5: Solve for x
    x = 1,586,775,614,450,064.25/52,497,587.07
  6. Step 6: Final answer
    x = 30,225,686.61

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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.