Home / 64,873,638.24-89,048,743.44-57,366,998.88

Finding the Fourth Proportional to 64,873,638.24, 89,048,743.44 and 57,366,998.88

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Solution

The fourth proportional to 64,873,638.24, 89,048,743.44 and 57,366,998.88 is: 78,744,761.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,873,638.24 : 89,048,743.44 = 57,366,998.88 : x
  2. Step 2: Convert to fraction form
    64,873,638.24/89,048,743.44 = 57,366,998.88/x
  3. Step 3: Cross multiply
    64,873,638.24x = 89,048,743.44 × 57,366,998.88
  4. Step 4: Simplify right side
    64,873,638.24x = 5,108,459,165,187,887
  5. Step 5: Solve for x
    x = 5,108,459,165,187,887/64,873,638.24
  6. Step 6: Final answer
    x = 78,744,761.41

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.