Home / 105,150,179.07-145,112,818.28-63,347,403.69

Finding the Fourth Proportional to 105,150,179.07, 145,112,818.28 and 63,347,403.69

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Solution

The fourth proportional to 105,150,179.07, 145,112,818.28 and 63,347,403.69 is: 87,422,773.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,150,179.07 : 145,112,818.28 = 63,347,403.69 : x
  2. Step 2: Convert to fraction form
    105,150,179.07/145,112,818.28 = 63,347,403.69/x
  3. Step 3: Cross multiply
    105,150,179.07x = 145,112,818.28 × 63,347,403.69
  4. Step 4: Simplify right side
    105,150,179.07x = 9,192,520,279,860,034
  5. Step 5: Solve for x
    x = 9,192,520,279,860,034/105,150,179.07
  6. Step 6: Final answer
    x = 87,422,773.42

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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.