Home / 111,915,494.40-167,947,891.20-51,300,019.20

Finding the Fourth Proportional to 111,915,494.40, 167,947,891.20 and 51,300,019.20

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Solution

The fourth proportional to 111,915,494.40, 167,947,891.20 and 51,300,019.20 is: 76,984,246.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,915,494.40 : 167,947,891.20 = 51,300,019.20 : x
  2. Step 2: Convert to fraction form
    111,915,494.40/167,947,891.20 = 51,300,019.20/x
  3. Step 3: Cross multiply
    111,915,494.40x = 167,947,891.20 × 51,300,019.20
  4. Step 4: Simplify right side
    111,915,494.40x = 8,615,730,043,159,511
  5. Step 5: Solve for x
    x = 8,615,730,043,159,511/111,915,494.40
  6. Step 6: Final answer
    x = 76,984,246.81

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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.