Home / 53,318,123.40-79,977,185.10-49,161,073.80

Finding the Fourth Proportional to 53,318,123.40, 79,977,185.10 and 49,161,073.80

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Solution

The fourth proportional to 53,318,123.40, 79,977,185.10 and 49,161,073.80 is: 73,741,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,318,123.40 : 79,977,185.10 = 49,161,073.80 : x
  2. Step 2: Convert to fraction form
    53,318,123.40/79,977,185.10 = 49,161,073.80/x
  3. Step 3: Cross multiply
    53,318,123.40x = 79,977,185.10 × 49,161,073.80
  4. Step 4: Simplify right side
    53,318,123.40x = 3,931,764,299,017,360
  5. Step 5: Solve for x
    x = 3,931,764,299,017,360/53,318,123.40
  6. Step 6: Final answer
    x = 73,741,610.70

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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.