Home / 55,295,999.40-82,943,999.10-47,731,506.60

Finding the Fourth Proportional to 55,295,999.40, 82,943,999.10 and 47,731,506.60

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Solution

The fourth proportional to 55,295,999.40, 82,943,999.10 and 47,731,506.60 is: 71,597,259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,295,999.40 : 82,943,999.10 = 47,731,506.60 : x
  2. Step 2: Convert to fraction form
    55,295,999.40/82,943,999.10 = 47,731,506.60/x
  3. Step 3: Cross multiply
    55,295,999.40x = 82,943,999.10 × 47,731,506.60
  4. Step 4: Simplify right side
    55,295,999.40x = 3,959,042,040,472,044
  5. Step 5: Solve for x
    x = 3,959,042,040,472,044/55,295,999.40
  6. Step 6: Final answer
    x = 71,597,259.90

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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.