Home / 117,687,287.67-176,570,658.78-52,099,378.80

Finding the Fourth Proportional to 117,687,287.67, 176,570,658.78 and 52,099,378.80

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Solution

The fourth proportional to 117,687,287.67, 176,570,658.78 and 52,099,378.80 is: 78,166,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,687,287.67 : 176,570,658.78 = 52,099,378.80 : x
  2. Step 2: Convert to fraction form
    117,687,287.67/176,570,658.78 = 52,099,378.80/x
  3. Step 3: Cross multiply
    117,687,287.67x = 176,570,658.78 × 52,099,378.80
  4. Step 4: Simplify right side
    117,687,287.67x = 9,199,221,636,744,766
  5. Step 5: Solve for x
    x = 9,199,221,636,744,766/117,687,287.67
  6. Step 6: Final answer
    x = 78,166,655.20

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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.