Home / 98,072,983.58-135,340,716.81-56,843,790.74

Finding the Fourth Proportional to 98,072,983.58, 135,340,716.81 and 56,843,790.74

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Solution

The fourth proportional to 98,072,983.58, 135,340,716.81 and 56,843,790.74 is: 78,444,430.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,072,983.58 : 135,340,716.81 = 56,843,790.74 : x
  2. Step 2: Convert to fraction form
    98,072,983.58/135,340,716.81 = 56,843,790.74/x
  3. Step 3: Cross multiply
    98,072,983.58x = 135,340,716.81 × 56,843,790.74
  4. Step 4: Simplify right side
    98,072,983.58x = 7,693,279,384,949,241
  5. Step 5: Solve for x
    x = 7,693,279,384,949,241/98,072,983.58
  6. Step 6: Final answer
    x = 78,444,430.91

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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.