Home / 109,939,443.69-151,729,892.43-63,529,697.61

Finding the Fourth Proportional to 109,939,443.69, 151,729,892.43 and 63,529,697.61

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Solution

The fourth proportional to 109,939,443.69, 151,729,892.43 and 63,529,697.61 is: 87,678,760.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,939,443.69 : 151,729,892.43 = 63,529,697.61 : x
  2. Step 2: Convert to fraction form
    109,939,443.69/151,729,892.43 = 63,529,697.61/x
  3. Step 3: Cross multiply
    109,939,443.69x = 151,729,892.43 × 63,529,697.61
  4. Step 4: Simplify right side
    109,939,443.69x = 9,639,354,184,475,728
  5. Step 5: Solve for x
    x = 9,639,354,184,475,728/109,939,443.69
  6. Step 6: Final answer
    x = 87,678,760.79

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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.