Home / 81,976,567.16-113,127,467.46-46,694,366.84

Finding the Fourth Proportional to 81,976,567.16, 113,127,467.46 and 46,694,366.84

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Solution

The fourth proportional to 81,976,567.16, 113,127,467.46 and 46,694,366.84 is: 64,438,115.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,976,567.16 : 113,127,467.46 = 46,694,366.84 : x
  2. Step 2: Convert to fraction form
    81,976,567.16/113,127,467.46 = 46,694,366.84/x
  3. Step 3: Cross multiply
    81,976,567.16x = 113,127,467.46 × 46,694,366.84
  4. Step 4: Simplify right side
    81,976,567.16x = 5,282,415,465,257,403
  5. Step 5: Solve for x
    x = 5,282,415,465,257,403/81,976,567.16
  6. Step 6: Final answer
    x = 64,438,115.04

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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.