Home / 61,240,129.20-91,753,905.60-39,663,624.60

Finding the Fourth Proportional to 61,240,129.20, 91,753,905.60 and 39,663,624.60

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Solution

The fourth proportional to 61,240,129.20, 91,753,905.60 and 39,663,624.60 is: 59,426,596.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,240,129.20 : 91,753,905.60 = 39,663,624.60 : x
  2. Step 2: Convert to fraction form
    61,240,129.20/91,753,905.60 = 39,663,624.60/x
  3. Step 3: Cross multiply
    61,240,129.20x = 91,753,905.60 × 39,663,624.60
  4. Step 4: Simplify right side
    61,240,129.20x = 3,639,292,467,302,237.50
  5. Step 5: Solve for x
    x = 3,639,292,467,302,237.50/61,240,129.20
  6. Step 6: Final answer
    x = 59,426,596.82

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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.