Home / 53,923,658.40-80,885,487.60-45,314,314.20

Finding the Fourth Proportional to 53,923,658.40, 80,885,487.60 and 45,314,314.20

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Solution

The fourth proportional to 53,923,658.40, 80,885,487.60 and 45,314,314.20 is: 67,971,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,923,658.40 : 80,885,487.60 = 45,314,314.20 : x
  2. Step 2: Convert to fraction form
    53,923,658.40/80,885,487.60 = 45,314,314.20/x
  3. Step 3: Cross multiply
    53,923,658.40x = 80,885,487.60 × 45,314,314.20
  4. Step 4: Simplify right side
    53,923,658.40x = 3,665,270,399,326,604
  5. Step 5: Solve for x
    x = 3,665,270,399,326,604/53,923,658.40
  6. Step 6: Final answer
    x = 67,971,471.30

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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.