Home / 104,430,528.92-156,628,419.01-31,630,000.97

Finding the Fourth Proportional to 104,430,528.92, 156,628,419.01 and 31,630,000.97

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Solution

The fourth proportional to 104,430,528.92, 156,628,419.01 and 31,630,000.97 is: 47,439,739.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,430,528.92 : 156,628,419.01 = 31,630,000.97 : x
  2. Step 2: Convert to fraction form
    104,430,528.92/156,628,419.01 = 31,630,000.97/x
  3. Step 3: Cross multiply
    104,430,528.92x = 156,628,419.01 × 31,630,000.97
  4. Step 4: Simplify right side
    104,430,528.92x = 4,954,157,045,528,362
  5. Step 5: Solve for x
    x = 4,954,157,045,528,362/104,430,528.92
  6. Step 6: Final answer
    x = 47,439,739.09

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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.