Home / 72,797,193.18-100,462,605.48-43,053,338.30

Finding the Fourth Proportional to 72,797,193.18, 100,462,605.48 and 43,053,338.30

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Solution

The fourth proportional to 72,797,193.18, 100,462,605.48 and 43,053,338.30 is: 59,415,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,797,193.18 : 100,462,605.48 = 43,053,338.30 : x
  2. Step 2: Convert to fraction form
    72,797,193.18/100,462,605.48 = 43,053,338.30/x
  3. Step 3: Cross multiply
    72,797,193.18x = 100,462,605.48 × 43,053,338.30
  4. Step 4: Simplify right side
    72,797,193.18x = 4,325,250,539,727,561
  5. Step 5: Solve for x
    x = 4,325,250,539,727,561/72,797,193.18
  6. Step 6: Final answer
    x = 59,415,072.90

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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.