Home / 338,295,267.28-507,445,142.93-131,056,693.91

Finding the Fourth Proportional to 338,295,267.28, 507,445,142.93 and 131,056,693.91

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Solution

The fourth proportional to 338,295,267.28, 507,445,142.93 and 131,056,693.91 is: 196,585,909.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,295,267.28 : 507,445,142.93 = 131,056,693.91 : x
  2. Step 2: Convert to fraction form
    338,295,267.28/507,445,142.93 = 131,056,693.91/x
  3. Step 3: Cross multiply
    338,295,267.28x = 507,445,142.93 × 131,056,693.91
  4. Step 4: Simplify right side
    338,295,267.28x = 66,504,082,773,032,928
  5. Step 5: Solve for x
    x = 66,504,082,773,032,928/338,295,267.28
  6. Step 6: Final answer
    x = 196,585,909.43

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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.