Home / 72,036,715.88-99,410,646.85-38,996,940.50

Finding the Fourth Proportional to 72,036,715.88, 99,410,646.85 and 38,996,940.50

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Solution

The fourth proportional to 72,036,715.88, 99,410,646.85 and 38,996,940.50 is: 53,815,766.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,036,715.88 : 99,410,646.85 = 38,996,940.50 : x
  2. Step 2: Convert to fraction form
    72,036,715.88/99,410,646.85 = 38,996,940.50/x
  3. Step 3: Cross multiply
    72,036,715.88x = 99,410,646.85 × 38,996,940.50
  4. Step 4: Simplify right side
    72,036,715.88x = 3,876,711,080,275,962
  5. Step 5: Solve for x
    x = 3,876,711,080,275,962/72,036,715.88
  6. Step 6: Final answer
    x = 53,815,766.49

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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.