Home / 102,205,999.88-141,043,562.31-55,796,253.80

Finding the Fourth Proportional to 102,205,999.88, 141,043,562.31 and 55,796,253.80

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Solution

The fourth proportional to 102,205,999.88, 141,043,562.31 and 55,796,253.80 is: 76,998,438.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,205,999.88 : 141,043,562.31 = 55,796,253.80 : x
  2. Step 2: Convert to fraction form
    102,205,999.88/141,043,562.31 = 55,796,253.80/x
  3. Step 3: Cross multiply
    102,205,999.88x = 141,043,562.31 × 55,796,253.80
  4. Step 4: Simplify right side
    102,205,999.88x = 7,869,702,398,799,657
  5. Step 5: Solve for x
    x = 7,869,702,398,799,657/102,205,999.88
  6. Step 6: Final answer
    x = 76,998,438.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.