Home / 85,617,325.89-118,102,497.53-54,642,582.45

Finding the Fourth Proportional to 85,617,325.89, 118,102,497.53 and 54,642,582.45

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Solution

The fourth proportional to 85,617,325.89, 118,102,497.53 and 54,642,582.45 is: 75,375,227.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,617,325.89 : 118,102,497.53 = 54,642,582.45 : x
  2. Step 2: Convert to fraction form
    85,617,325.89/118,102,497.53 = 54,642,582.45/x
  3. Step 3: Cross multiply
    85,617,325.89x = 118,102,497.53 × 54,642,582.45
  4. Step 4: Simplify right side
    85,617,325.89x = 6,453,425,458,560,734
  5. Step 5: Solve for x
    x = 6,453,425,458,560,734/85,617,325.89
  6. Step 6: Final answer
    x = 75,375,227.99

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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.