Home / 81,495,309.60-122,248,869.30-49,077,408.60

Finding the Fourth Proportional to 81,495,309.60, 122,248,869.30 and 49,077,408.60

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Solution

The fourth proportional to 81,495,309.60, 122,248,869.30 and 49,077,408.60 is: 73,619,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,495,309.60 : 122,248,869.30 = 49,077,408.60 : x
  2. Step 2: Convert to fraction form
    81,495,309.60/122,248,869.30 = 49,077,408.60/x
  3. Step 3: Cross multiply
    81,495,309.60x = 122,248,869.30 × 49,077,408.60
  4. Step 4: Simplify right side
    81,495,309.60x = 5,999,657,709,524,096
  5. Step 5: Solve for x
    x = 5,999,657,709,524,096/81,495,309.60
  6. Step 6: Final answer
    x = 73,619,668.90

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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.