Home / 66,993,330.60-92,470,844.70-39,123,558.54

Finding the Fourth Proportional to 66,993,330.60, 92,470,844.70 and 39,123,558.54

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Solution

The fourth proportional to 66,993,330.60, 92,470,844.70 and 39,123,558.54 is: 54,002,218.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,993,330.60 : 92,470,844.70 = 39,123,558.54 : x
  2. Step 2: Convert to fraction form
    66,993,330.60/92,470,844.70 = 39,123,558.54/x
  3. Step 3: Cross multiply
    66,993,330.60x = 92,470,844.70 × 39,123,558.54
  4. Step 4: Simplify right side
    66,993,330.60x = 3,617,788,505,863,699
  5. Step 5: Solve for x
    x = 3,617,788,505,863,699/66,993,330.60
  6. Step 6: Final answer
    x = 54,002,218.93

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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.