Home / 71,509,800.80-107,320,688.40-33,176,064.80

Finding the Fourth Proportional to 71,509,800.80, 107,320,688.40 and 33,176,064.80

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Solution

The fourth proportional to 71,509,800.80, 107,320,688.40 and 33,176,064.80 is: 49,790,071.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,509,800.80 : 107,320,688.40 = 33,176,064.80 : x
  2. Step 2: Convert to fraction form
    71,509,800.80/107,320,688.40 = 33,176,064.80/x
  3. Step 3: Cross multiply
    71,509,800.80x = 107,320,688.40 × 33,176,064.80
  4. Step 4: Simplify right side
    71,509,800.80x = 3,560,478,112,739,008.50
  5. Step 5: Solve for x
    x = 3,560,478,112,739,008.50/71,509,800.80
  6. Step 6: Final answer
    x = 49,790,071.75

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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.