Home / 76,505,806.08-105,578,051.76-43,466,112.72

Finding the Fourth Proportional to 76,505,806.08, 105,578,051.76 and 43,466,112.72

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Solution

The fourth proportional to 76,505,806.08, 105,578,051.76 and 43,466,112.72 is: 59,983,257.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,505,806.08 : 105,578,051.76 = 43,466,112.72 : x
  2. Step 2: Convert to fraction form
    76,505,806.08/105,578,051.76 = 43,466,112.72/x
  3. Step 3: Cross multiply
    76,505,806.08x = 105,578,051.76 × 43,466,112.72
  4. Step 4: Simplify right side
    76,505,806.08x = 4,589,067,498,558,154
  5. Step 5: Solve for x
    x = 4,589,067,498,558,154/76,505,806.08
  6. Step 6: Final answer
    x = 59,983,257.92

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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.