Home / 61,192,947.60-91,789,421.40-57,602,768.40

Finding the Fourth Proportional to 61,192,947.60, 91,789,421.40 and 57,602,768.40

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Solution

The fourth proportional to 61,192,947.60, 91,789,421.40 and 57,602,768.40 is: 86,404,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,192,947.60 : 91,789,421.40 = 57,602,768.40 : x
  2. Step 2: Convert to fraction form
    61,192,947.60/91,789,421.40 = 57,602,768.40/x
  3. Step 3: Cross multiply
    61,192,947.60x = 91,789,421.40 × 57,602,768.40
  4. Step 4: Simplify right side
    61,192,947.60x = 5,287,324,782,474,204
  5. Step 5: Solve for x
    x = 5,287,324,782,474,204/61,192,947.60
  6. Step 6: Final answer
    x = 86,404,152.60

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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.