Home / 91,296,698.76-125,915,981.37-80,259,850.17

Finding the Fourth Proportional to 91,296,698.76, 125,915,981.37 and 80,259,850.17

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Solution

The fourth proportional to 91,296,698.76, 125,915,981.37 and 80,259,850.17 is: 110,694,011.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,296,698.76 : 125,915,981.37 = 80,259,850.17 : x
  2. Step 2: Convert to fraction form
    91,296,698.76/125,915,981.37 = 80,259,850.17/x
  3. Step 3: Cross multiply
    91,296,698.76x = 125,915,981.37 × 80,259,850.17
  4. Step 4: Simplify right side
    91,296,698.76x = 10,105,997,798,764,712
  5. Step 5: Solve for x
    x = 10,105,997,798,764,712/91,296,698.76
  6. Step 6: Final answer
    x = 110,694,011.24

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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.