Home / 263,242,757.76-363,270,539.10-145,765,565.72

Finding the Fourth Proportional to 263,242,757.76, 363,270,539.10 and 145,765,565.72

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Solution

The fourth proportional to 263,242,757.76, 363,270,539.10 and 145,765,565.72 is: 201,154,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,242,757.76 : 363,270,539.10 = 145,765,565.72 : x
  2. Step 2: Convert to fraction form
    263,242,757.76/363,270,539.10 = 145,765,565.72/x
  3. Step 3: Cross multiply
    263,242,757.76x = 363,270,539.10 × 145,765,565.72
  4. Step 4: Simplify right side
    263,242,757.76x = 52,952,335,641,320,880
  5. Step 5: Solve for x
    x = 52,952,335,641,320,880/263,242,757.76
  6. Step 6: Final answer
    x = 201,154,007.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.