Home / 78,600,559.69-108,469,507.15-43,319,624.19

Finding the Fourth Proportional to 78,600,559.69, 108,469,507.15 and 43,319,624.19

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Solution

The fourth proportional to 78,600,559.69, 108,469,507.15 and 43,319,624.19 is: 59,781,486.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,600,559.69 : 108,469,507.15 = 43,319,624.19 : x
  2. Step 2: Convert to fraction form
    78,600,559.69/108,469,507.15 = 43,319,624.19/x
  3. Step 3: Cross multiply
    78,600,559.69x = 108,469,507.15 × 43,319,624.19
  4. Step 4: Simplify right side
    78,600,559.69x = 4,698,858,285,459,907
  5. Step 5: Solve for x
    x = 4,698,858,285,459,907/78,600,559.69
  6. Step 6: Final answer
    x = 59,781,486.34

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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.