Home / 90,990,185.60-136,485,278.40-69,466,825.10

Finding the Fourth Proportional to 90,990,185.60, 136,485,278.40 and 69,466,825.10

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Solution

The fourth proportional to 90,990,185.60, 136,485,278.40 and 69,466,825.10 is: 104,200,237.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,990,185.60 : 136,485,278.40 = 69,466,825.10 : x
  2. Step 2: Convert to fraction form
    90,990,185.60/136,485,278.40 = 69,466,825.10/x
  3. Step 3: Cross multiply
    90,990,185.60x = 136,485,278.40 × 69,466,825.10
  4. Step 4: Simplify right side
    90,990,185.60x = 9,481,198,963,337,608
  5. Step 5: Solve for x
    x = 9,481,198,963,337,608/90,990,185.60
  6. Step 6: Final answer
    x = 104,200,237.65

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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.