Home / 81,584,380.32-112,594,577.76-60,921,954.24

Finding the Fourth Proportional to 81,584,380.32, 112,594,577.76 and 60,921,954.24

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Solution

The fourth proportional to 81,584,380.32, 112,594,577.76 and 60,921,954.24 is: 84,078,369.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,584,380.32 : 112,594,577.76 = 60,921,954.24 : x
  2. Step 2: Convert to fraction form
    81,584,380.32/112,594,577.76 = 60,921,954.24/x
  3. Step 3: Cross multiply
    81,584,380.32x = 112,594,577.76 × 60,921,954.24
  4. Step 4: Simplify right side
    81,584,380.32x = 6,859,481,713,966,842
  5. Step 5: Solve for x
    x = 6,859,481,713,966,842/81,584,380.32
  6. Step 6: Final answer
    x = 84,078,369.99

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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.