Home / 118,278,847.46-163,384,568.98-89,130,511.46

Finding the Fourth Proportional to 118,278,847.46, 163,384,568.98 and 89,130,511.46

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Solution

The fourth proportional to 118,278,847.46, 163,384,568.98 and 89,130,511.46 is: 123,120,494.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,278,847.46 : 163,384,568.98 = 89,130,511.46 : x
  2. Step 2: Convert to fraction form
    118,278,847.46/163,384,568.98 = 89,130,511.46/x
  3. Step 3: Cross multiply
    118,278,847.46x = 163,384,568.98 × 89,130,511.46
  4. Step 4: Simplify right side
    118,278,847.46x = 14,562,550,197,859,048
  5. Step 5: Solve for x
    x = 14,562,550,197,859,048/118,278,847.46
  6. Step 6: Final answer
    x = 123,120,494.58

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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.