Home / 53,172,851.70-79,759,277.55-45,520,101.30

Finding the Fourth Proportional to 53,172,851.70, 79,759,277.55 and 45,520,101.30

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Solution

The fourth proportional to 53,172,851.70, 79,759,277.55 and 45,520,101.30 is: 68,280,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,172,851.70 : 79,759,277.55 = 45,520,101.30 : x
  2. Step 2: Convert to fraction form
    53,172,851.70/79,759,277.55 = 45,520,101.30/x
  3. Step 3: Cross multiply
    53,172,851.70x = 79,759,277.55 × 45,520,101.30
  4. Step 4: Simplify right side
    53,172,851.70x = 3,630,650,393,690,815.50
  5. Step 5: Solve for x
    x = 3,630,650,393,690,815.50/53,172,851.70
  6. Step 6: Final answer
    x = 68,280,151.95

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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.