Home / 76,683,662.73-105,809,209.07-43,641,947.34

Finding the Fourth Proportional to 76,683,662.73, 105,809,209.07 and 43,641,947.34

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Solution

The fourth proportional to 76,683,662.73, 105,809,209.07 and 43,641,947.34 is: 60,217,779.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,683,662.73 : 105,809,209.07 = 43,641,947.34 : x
  2. Step 2: Convert to fraction form
    76,683,662.73/105,809,209.07 = 43,641,947.34/x
  3. Step 3: Cross multiply
    76,683,662.73x = 105,809,209.07 × 43,641,947.34
  4. Step 4: Simplify right side
    76,683,662.73x = 4,617,719,930,101,781
  5. Step 5: Solve for x
    x = 4,617,719,930,101,781/76,683,662.73
  6. Step 6: Final answer
    x = 60,217,779.98

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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.