Home / 61,775,642.76-85,250,153-33,898,819.38

Finding the Fourth Proportional to 61,775,642.76, 85,250,153 and 33,898,819.38

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Solution

The fourth proportional to 61,775,642.76, 85,250,153 and 33,898,819.38 is: 46,780,242.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,775,642.76 : 85,250,153 = 33,898,819.38 : x
  2. Step 2: Convert to fraction form
    61,775,642.76/85,250,153 = 33,898,819.38/x
  3. Step 3: Cross multiply
    61,775,642.76x = 85,250,153 × 33,898,819.38
  4. Step 4: Simplify right side
    61,775,642.76x = 2,889,879,538,664,365.50
  5. Step 5: Solve for x
    x = 2,889,879,538,664,365.50/61,775,642.76
  6. Step 6: Final answer
    x = 46,780,242.33

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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.