Home / 81,079,858.73-121,626,425.64-23,572,059.50

Finding the Fourth Proportional to 81,079,858.73, 121,626,425.64 and 23,572,059.50

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Solution

The fourth proportional to 81,079,858.73, 121,626,425.64 and 23,572,059.50 is: 35,360,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,079,858.73 : 121,626,425.64 = 23,572,059.50 : x
  2. Step 2: Convert to fraction form
    81,079,858.73/121,626,425.64 = 23,572,059.50/x
  3. Step 3: Cross multiply
    81,079,858.73x = 121,626,425.64 × 23,572,059.50
  4. Step 4: Simplify right side
    81,079,858.73x = 2,866,985,341,350,273.50
  5. Step 5: Solve for x
    x = 2,866,985,341,350,273.50/81,079,858.73
  6. Step 6: Final answer
    x = 35,360,018.95

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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.