Home / 90,392,640.66-124,624,759.50-58,546,149.30

Finding the Fourth Proportional to 90,392,640.66, 124,624,759.50 and 58,546,149.30

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Solution

The fourth proportional to 90,392,640.66, 124,624,759.50 and 58,546,149.30 is: 80,717,851.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,392,640.66 : 124,624,759.50 = 58,546,149.30 : x
  2. Step 2: Convert to fraction form
    90,392,640.66/124,624,759.50 = 58,546,149.30/x
  3. Step 3: Cross multiply
    90,392,640.66x = 124,624,759.50 × 58,546,149.30
  4. Step 4: Simplify right side
    90,392,640.66x = 7,296,299,776,163,593
  5. Step 5: Solve for x
    x = 7,296,299,776,163,593/90,392,640.66
  6. Step 6: Final answer
    x = 80,717,851.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.