Home / 104,430,665.34-156,628,622.90-31,630,137.39

Finding the Fourth Proportional to 104,430,665.34, 156,628,622.90 and 31,630,137.39

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Solution

The fourth proportional to 104,430,665.34, 156,628,622.90 and 31,630,137.39 is: 47,439,943.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,430,665.34 : 156,628,622.90 = 31,630,137.39 : x
  2. Step 2: Convert to fraction form
    104,430,665.34/156,628,622.90 = 31,630,137.39/x
  3. Step 3: Cross multiply
    104,430,665.34x = 156,628,622.90 × 31,630,137.39
  4. Step 4: Simplify right side
    104,430,665.34x = 4,954,184,861,612,576
  5. Step 5: Solve for x
    x = 4,954,184,861,612,576/104,430,665.34
  6. Step 6: Final answer
    x = 47,439,943.48

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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.