Home / 330,749,878.86-496,199,561.58-109,420,699.55

Finding the Fourth Proportional to 330,749,878.86, 496,199,561.58 and 109,420,699.55

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Solution

The fourth proportional to 330,749,878.86, 496,199,561.58 and 109,420,699.55 is: 164,155,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,749,878.86 : 496,199,561.58 = 109,420,699.55 : x
  2. Step 2: Convert to fraction form
    330,749,878.86/496,199,561.58 = 109,420,699.55/x
  3. Step 3: Cross multiply
    330,749,878.86x = 496,199,561.58 × 109,420,699.55
  4. Step 4: Simplify right side
    330,749,878.86x = 54,294,503,142,005,904
  5. Step 5: Solve for x
    x = 54,294,503,142,005,904/330,749,878.86
  6. Step 6: Final answer
    x = 164,155,776.35

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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.