Home / 268,488,619.67-402,793,523.34-81,759,266.72

Finding the Fourth Proportional to 268,488,619.67, 402,793,523.34 and 81,759,266.72

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Solution

The fourth proportional to 268,488,619.67, 402,793,523.34 and 81,759,266.72 is: 122,657,351.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,488,619.67 : 402,793,523.34 = 81,759,266.72 : x
  2. Step 2: Convert to fraction form
    268,488,619.67/402,793,523.34 = 81,759,266.72/x
  3. Step 3: Cross multiply
    268,488,619.67x = 402,793,523.34 × 81,759,266.72
  4. Step 4: Simplify right side
    268,488,619.67x = 32,932,103,108,850,584
  5. Step 5: Solve for x
    x = 32,932,103,108,850,584/268,488,619.67
  6. Step 6: Final answer
    x = 122,657,351.92

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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.