Home / 59,918,709.96-82,370,402.76-51,515,120.64

Finding the Fourth Proportional to 59,918,709.96, 82,370,402.76 and 51,515,120.64

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Solution

The fourth proportional to 59,918,709.96, 82,370,402.76 and 51,515,120.64 is: 70,817,967.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,918,709.96 : 82,370,402.76 = 51,515,120.64 : x
  2. Step 2: Convert to fraction form
    59,918,709.96/82,370,402.76 = 51,515,120.64/x
  3. Step 3: Cross multiply
    59,918,709.96x = 82,370,402.76 × 51,515,120.64
  4. Step 4: Simplify right side
    59,918,709.96x = 4,243,321,235,346,789.50
  5. Step 5: Solve for x
    x = 4,243,321,235,346,789.50/59,918,709.96
  6. Step 6: Final answer
    x = 70,817,967.18

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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.