Home / 71,220,615.93-106,775,114.69-28,122,079.23

Finding the Fourth Proportional to 71,220,615.93, 106,775,114.69 and 28,122,079.23

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Solution

The fourth proportional to 71,220,615.93, 106,775,114.69 and 28,122,079.23 is: 42,161,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,220,615.93 : 106,775,114.69 = 28,122,079.23 : x
  2. Step 2: Convert to fraction form
    71,220,615.93/106,775,114.69 = 28,122,079.23/x
  3. Step 3: Cross multiply
    71,220,615.93x = 106,775,114.69 × 28,122,079.23
  4. Step 4: Simplify right side
    71,220,615.93x = 3,002,738,235,174,822
  5. Step 5: Solve for x
    x = 3,002,738,235,174,822/71,220,615.93
  6. Step 6: Final answer
    x = 42,161,082.10

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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.