Home / 55,043,947.80-82,565,921.70-49,564,200.60

Finding the Fourth Proportional to 55,043,947.80, 82,565,921.70 and 49,564,200.60

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Solution

The fourth proportional to 55,043,947.80, 82,565,921.70 and 49,564,200.60 is: 74,346,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,043,947.80 : 82,565,921.70 = 49,564,200.60 : x
  2. Step 2: Convert to fraction form
    55,043,947.80/82,565,921.70 = 49,564,200.60/x
  3. Step 3: Cross multiply
    55,043,947.80x = 82,565,921.70 × 49,564,200.60
  4. Step 4: Simplify right side
    55,043,947.80x = 4,092,313,905,862,693.50
  5. Step 5: Solve for x
    x = 4,092,313,905,862,693.50/55,043,947.80
  6. Step 6: Final answer
    x = 74,346,300.90

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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.