Home / 71,119,963.60-106,679,945.40-69,986,222.80

Finding the Fourth Proportional to 71,119,963.60, 106,679,945.40 and 69,986,222.80

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Solution

The fourth proportional to 71,119,963.60, 106,679,945.40 and 69,986,222.80 is: 104,979,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,119,963.60 : 106,679,945.40 = 69,986,222.80 : x
  2. Step 2: Convert to fraction form
    71,119,963.60/106,679,945.40 = 69,986,222.80/x
  3. Step 3: Cross multiply
    71,119,963.60x = 106,679,945.40 × 69,986,222.80
  4. Step 4: Simplify right side
    71,119,963.60x = 7,466,126,427,056,235
  5. Step 5: Solve for x
    x = 7,466,126,427,056,235/71,119,963.60
  6. Step 6: Final answer
    x = 104,979,334.20

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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.