Home / 72,036,714.88-99,410,645.48-38,996,939.50

Finding the Fourth Proportional to 72,036,714.88, 99,410,645.48 and 38,996,939.50

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Solution

The fourth proportional to 72,036,714.88, 99,410,645.48 and 38,996,939.50 is: 53,815,765.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,036,714.88 : 99,410,645.48 = 38,996,939.50 : x
  2. Step 2: Convert to fraction form
    72,036,714.88/99,410,645.48 = 38,996,939.50/x
  3. Step 3: Cross multiply
    72,036,714.88x = 99,410,645.48 × 38,996,939.50
  4. Step 4: Simplify right side
    72,036,714.88x = 3,876,710,926,995,997
  5. Step 5: Solve for x
    x = 3,876,710,926,995,997/72,036,714.88
  6. Step 6: Final answer
    x = 53,815,765.11

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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.