Home / 78,033,947.62-107,685,406.92-43,225,874.32

Finding the Fourth Proportional to 78,033,947.62, 107,685,406.92 and 43,225,874.32

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Solution

The fourth proportional to 78,033,947.62, 107,685,406.92 and 43,225,874.32 is: 59,650,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,033,947.62 : 107,685,406.92 = 43,225,874.32 : x
  2. Step 2: Convert to fraction form
    78,033,947.62/107,685,406.92 = 43,225,874.32/x
  3. Step 3: Cross multiply
    78,033,947.62x = 107,685,406.92 × 43,225,874.32
  4. Step 4: Simplify right side
    78,033,947.62x = 4,654,795,865,621,978
  5. Step 5: Solve for x
    x = 4,654,795,865,621,978/78,033,947.62
  6. Step 6: Final answer
    x = 59,650,908.45

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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.