Home / 75,481,899-113,210,235.96-20,900,001.96

Finding the Fourth Proportional to 75,481,899, 113,210,235.96 and 20,900,001.96

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Solution

The fourth proportional to 75,481,899, 113,210,235.96 and 20,900,001.96 is: 31,346,510.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,481,899 : 113,210,235.96 = 20,900,001.96 : x
  2. Step 2: Convert to fraction form
    75,481,899/113,210,235.96 = 20,900,001.96/x
  3. Step 3: Cross multiply
    75,481,899x = 113,210,235.96 × 20,900,001.96
  4. Step 4: Simplify right side
    75,481,899x = 2,366,094,153,456,062.50
  5. Step 5: Solve for x
    x = 2,366,094,153,456,062.50/75,481,899
  6. Step 6: Final answer
    x = 31,346,510.68

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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.