Home / 89,388,020-134,009,705.64-27,945,567.20

Finding the Fourth Proportional to 89,388,020, 134,009,705.64 and 27,945,567.20

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Solution

The fourth proportional to 89,388,020, 134,009,705.64 and 27,945,567.20 is: 41,895,739.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,388,020 : 134,009,705.64 = 27,945,567.20 : x
  2. Step 2: Convert to fraction form
    89,388,020/134,009,705.64 = 27,945,567.20/x
  3. Step 3: Cross multiply
    89,388,020x = 134,009,705.64 × 27,945,567.20
  4. Step 4: Simplify right side
    89,388,020x = 3,744,977,234,414,839
  5. Step 5: Solve for x
    x = 3,744,977,234,414,839/89,388,020
  6. Step 6: Final answer
    x = 41,895,739.88

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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.