Home / 81,651,001.30-122,476,501.95-36,212,795.80

Finding the Fourth Proportional to 81,651,001.30, 122,476,501.95 and 36,212,795.80

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Solution

The fourth proportional to 81,651,001.30, 122,476,501.95 and 36,212,795.80 is: 54,319,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,651,001.30 : 122,476,501.95 = 36,212,795.80 : x
  2. Step 2: Convert to fraction form
    81,651,001.30/122,476,501.95 = 36,212,795.80/x
  3. Step 3: Cross multiply
    81,651,001.30x = 122,476,501.95 × 36,212,795.80
  4. Step 4: Simplify right side
    81,651,001.30x = 4,435,216,555,413,651.50
  5. Step 5: Solve for x
    x = 4,435,216,555,413,651.50/81,651,001.30
  6. Step 6: Final answer
    x = 54,319,193.70

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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.