Home / 72,063,022.70-108,072,177.82-25,998,903.47

Finding the Fourth Proportional to 72,063,022.70, 108,072,177.82 and 25,998,903.47

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Solution

The fourth proportional to 72,063,022.70, 108,072,177.82 and 25,998,903.47 is: 38,990,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,063,022.70 : 108,072,177.82 = 25,998,903.47 : x
  2. Step 2: Convert to fraction form
    72,063,022.70/108,072,177.82 = 25,998,903.47/x
  3. Step 3: Cross multiply
    72,063,022.70x = 108,072,177.82 × 25,998,903.47
  4. Step 4: Simplify right side
    72,063,022.70x = 2,809,758,119,140,038
  5. Step 5: Solve for x
    x = 2,809,758,119,140,038/72,063,022.70
  6. Step 6: Final answer
    x = 38,990,289.52

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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.