Home / 110,691,007.20-166,036,510.80-84,862,974.60

Finding the Fourth Proportional to 110,691,007.20, 166,036,510.80 and 84,862,974.60

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Solution

The fourth proportional to 110,691,007.20, 166,036,510.80 and 84,862,974.60 is: 127,294,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,691,007.20 : 166,036,510.80 = 84,862,974.60 : x
  2. Step 2: Convert to fraction form
    110,691,007.20/166,036,510.80 = 84,862,974.60/x
  3. Step 3: Cross multiply
    110,691,007.20x = 166,036,510.80 × 84,862,974.60
  4. Step 4: Simplify right side
    110,691,007.20x = 14,090,352,198,693,026
  5. Step 5: Solve for x
    x = 14,090,352,198,693,026/110,691,007.20
  6. Step 6: Final answer
    x = 127,294,461.90

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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.