Home / 83,084,420.90-124,515,231-64,662,610.71

Finding the Fourth Proportional to 83,084,420.90, 124,515,231 and 64,662,610.71

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Solution

The fourth proportional to 83,084,420.90, 124,515,231 and 64,662,610.71 is: 96,907,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,084,420.90 : 124,515,231 = 64,662,610.71 : x
  2. Step 2: Convert to fraction form
    83,084,420.90/124,515,231 = 64,662,610.71/x
  3. Step 3: Cross multiply
    83,084,420.90x = 124,515,231 × 64,662,610.71
  4. Step 4: Simplify right side
    83,084,420.90x = 8,051,479,909,618,724
  5. Step 5: Solve for x
    x = 8,051,479,909,618,724/83,084,420.90
  6. Step 6: Final answer
    x = 96,907,215.85

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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.