Home / 51,699,875.68-71,349,930.52-28,499,129.92

Finding the Fourth Proportional to 51,699,875.68, 71,349,930.52 and 28,499,129.92

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Solution

The fourth proportional to 51,699,875.68, 71,349,930.52 and 28,499,129.92 is: 39,331,060.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,699,875.68 : 71,349,930.52 = 28,499,129.92 : x
  2. Step 2: Convert to fraction form
    51,699,875.68/71,349,930.52 = 28,499,129.92/x
  3. Step 3: Cross multiply
    51,699,875.68x = 71,349,930.52 × 28,499,129.92
  4. Step 4: Simplify right side
    51,699,875.68x = 2,033,410,939,672,453.25
  5. Step 5: Solve for x
    x = 2,033,410,939,672,453.25/51,699,875.68
  6. Step 6: Final answer
    x = 39,331,060.53

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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.