Home / 56,807,806.08-85,203,311.04-20,897,616

Finding the Fourth Proportional to 56,807,806.08, 85,203,311.04 and 20,897,616

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Solution

The fourth proportional to 56,807,806.08, 85,203,311.04 and 20,897,616 is: 31,343,334.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,807,806.08 : 85,203,311.04 = 20,897,616 : x
  2. Step 2: Convert to fraction form
    56,807,806.08/85,203,311.04 = 20,897,616/x
  3. Step 3: Cross multiply
    56,807,806.08x = 85,203,311.04 × 20,897,616
  4. Step 4: Simplify right side
    56,807,806.08x = 1,780,546,076,042,480.75
  5. Step 5: Solve for x
    x = 1,780,546,076,042,480.75/56,807,806.08
  6. Step 6: Final answer
    x = 31,343,334.64

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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.