Home / 245,725,503.62-368,589,633.34-81,962,810.61

Finding the Fourth Proportional to 245,725,503.62, 368,589,633.34 and 81,962,810.61

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Solution

The fourth proportional to 245,725,503.62, 368,589,633.34 and 81,962,810.61 is: 122,944,675.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,725,503.62 : 368,589,633.34 = 81,962,810.61 : x
  2. Step 2: Convert to fraction form
    245,725,503.62/368,589,633.34 = 81,962,810.61/x
  3. Step 3: Cross multiply
    245,725,503.62x = 368,589,633.34 × 81,962,810.61
  4. Step 4: Simplify right side
    245,725,503.62x = 30,210,642,310,255,760
  5. Step 5: Solve for x
    x = 30,210,642,310,255,760/245,725,503.62
  6. Step 6: Final answer
    x = 122,944,675.52

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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.