Home / 98,072,983.08-135,340,716.12-56,843,790.24

Finding the Fourth Proportional to 98,072,983.08, 135,340,716.12 and 56,843,790.24

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Solution

The fourth proportional to 98,072,983.08, 135,340,716.12 and 56,843,790.24 is: 78,444,430.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,072,983.08 : 135,340,716.12 = 56,843,790.24 : x
  2. Step 2: Convert to fraction form
    98,072,983.08/135,340,716.12 = 56,843,790.24/x
  3. Step 3: Cross multiply
    98,072,983.08x = 135,340,716.12 × 56,843,790.24
  4. Step 4: Simplify right side
    98,072,983.08x = 7,693,279,278,056,667
  5. Step 5: Solve for x
    x = 7,693,279,278,056,667/98,072,983.08
  6. Step 6: Final answer
    x = 78,444,430.22

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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.