Home / 47,888,946.70-71,833,420.05-28,741,324.30

Finding the Fourth Proportional to 47,888,946.70, 71,833,420.05 and 28,741,324.30

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Solution

The fourth proportional to 47,888,946.70, 71,833,420.05 and 28,741,324.30 is: 43,111,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,888,946.70 : 71,833,420.05 = 28,741,324.30 : x
  2. Step 2: Convert to fraction form
    47,888,946.70/71,833,420.05 = 28,741,324.30/x
  3. Step 3: Cross multiply
    47,888,946.70x = 71,833,420.05 × 28,741,324.30
  4. Step 4: Simplify right side
    47,888,946.70x = 2,064,587,621,235,172.25
  5. Step 5: Solve for x
    x = 2,064,587,621,235,172.25/47,888,946.70
  6. Step 6: Final answer
    x = 43,111,986.45

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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.