Home / 262,270,046.50-393,399,667.40-87,405,779.23

Finding the Fourth Proportional to 262,270,046.50, 393,399,667.40 and 87,405,779.23

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Solution

The fourth proportional to 262,270,046.50, 393,399,667.40 and 87,405,779.23 is: 131,106,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,270,046.50 : 393,399,667.40 = 87,405,779.23 : x
  2. Step 2: Convert to fraction form
    262,270,046.50/393,399,667.40 = 87,405,779.23/x
  3. Step 3: Cross multiply
    262,270,046.50x = 393,399,667.40 × 87,405,779.23
  4. Step 4: Simplify right side
    262,270,046.50x = 34,385,404,477,919,828
  5. Step 5: Solve for x
    x = 34,385,404,477,919,828/262,270,046.50
  6. Step 6: Final answer
    x = 131,106,868.42

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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.