Home / 78,005,743.65-117,008,615.48-37,694,959.65

Finding the Fourth Proportional to 78,005,743.65, 117,008,615.48 and 37,694,959.65

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Solution

The fourth proportional to 78,005,743.65, 117,008,615.48 and 37,694,959.65 is: 56,542,439.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,005,743.65 : 117,008,615.48 = 37,694,959.65 : x
  2. Step 2: Convert to fraction form
    78,005,743.65/117,008,615.48 = 37,694,959.65/x
  3. Step 3: Cross multiply
    78,005,743.65x = 117,008,615.48 × 37,694,959.65
  4. Step 4: Simplify right side
    78,005,743.65x = 4,410,635,039,032,490
  5. Step 5: Solve for x
    x = 4,410,635,039,032,490/78,005,743.65
  6. Step 6: Final answer
    x = 56,542,439.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.