Home / 55,745,409.60-83,618,114.40-54,788,815.80

Finding the Fourth Proportional to 55,745,409.60, 83,618,114.40 and 54,788,815.80

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Solution

The fourth proportional to 55,745,409.60, 83,618,114.40 and 54,788,815.80 is: 82,183,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,745,409.60 : 83,618,114.40 = 54,788,815.80 : x
  2. Step 2: Convert to fraction form
    55,745,409.60/83,618,114.40 = 54,788,815.80/x
  3. Step 3: Cross multiply
    55,745,409.60x = 83,618,114.40 × 54,788,815.80
  4. Step 4: Simplify right side
    55,745,409.60x = 4,581,337,467,404,928
  5. Step 5: Solve for x
    x = 4,581,337,467,404,928/55,745,409.60
  6. Step 6: Final answer
    x = 82,183,223.70

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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.