Home / 77,063,947.48-115,621,617.90-51,257,984.44

Finding the Fourth Proportional to 77,063,947.48, 115,621,617.90 and 51,257,984.44

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Solution

The fourth proportional to 77,063,947.48, 115,621,617.90 and 51,257,984.44 is: 76,904,068.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,063,947.48 : 115,621,617.90 = 51,257,984.44 : x
  2. Step 2: Convert to fraction form
    77,063,947.48/115,621,617.90 = 51,257,984.44/x
  3. Step 3: Cross multiply
    77,063,947.48x = 115,621,617.90 × 51,257,984.44
  4. Step 4: Simplify right side
    77,063,947.48x = 5,926,531,091,245,826
  5. Step 5: Solve for x
    x = 5,926,531,091,245,826/77,063,947.48
  6. Step 6: Final answer
    x = 76,904,068.44

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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.