Home / 115,284,390.66-159,096,253.06-63,072,231.51

Finding the Fourth Proportional to 115,284,390.66, 159,096,253.06 and 63,072,231.51

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Solution

The fourth proportional to 115,284,390.66, 159,096,253.06 and 63,072,231.51 is: 87,041,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,284,390.66 : 159,096,253.06 = 63,072,231.51 : x
  2. Step 2: Convert to fraction form
    115,284,390.66/159,096,253.06 = 63,072,231.51/x
  3. Step 3: Cross multiply
    115,284,390.66x = 159,096,253.06 × 63,072,231.51
  4. Step 4: Simplify right side
    115,284,390.66x = 10,034,555,704,420,704
  5. Step 5: Solve for x
    x = 10,034,555,704,420,704/115,284,390.66
  6. Step 6: Final answer
    x = 87,041,755.15

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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.