Home / 90,990,197.10-136,485,295.65-69,466,836.60

Finding the Fourth Proportional to 90,990,197.10, 136,485,295.65 and 69,466,836.60

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Solution

The fourth proportional to 90,990,197.10, 136,485,295.65 and 69,466,836.60 is: 104,200,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,990,197.10 : 136,485,295.65 = 69,466,836.60 : x
  2. Step 2: Convert to fraction form
    90,990,197.10/136,485,295.65 = 69,466,836.60/x
  3. Step 3: Cross multiply
    90,990,197.10x = 136,485,295.65 × 69,466,836.60
  4. Step 4: Simplify right side
    90,990,197.10x = 9,481,201,731,221,240
  5. Step 5: Solve for x
    x = 9,481,201,731,221,240/90,990,197.10
  6. Step 6: Final answer
    x = 104,200,254.90

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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.