Home / 81,372,911.04-122,060,317.91-23,866,336.53

Finding the Fourth Proportional to 81,372,911.04, 122,060,317.91 and 23,866,336.53

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Solution

The fourth proportional to 81,372,911.04, 122,060,317.91 and 23,866,336.53 is: 35,799,783.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,372,911.04 : 122,060,317.91 = 23,866,336.53 : x
  2. Step 2: Convert to fraction form
    81,372,911.04/122,060,317.91 = 23,866,336.53/x
  3. Step 3: Cross multiply
    81,372,911.04x = 122,060,317.91 × 23,866,336.53
  4. Step 4: Simplify right side
    81,372,911.04x = 2,913,132,624,079,514.50
  5. Step 5: Solve for x
    x = 2,913,132,624,079,514.50/81,372,911.04
  6. Step 6: Final answer
    x = 35,799,783.82

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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.