Home / 90,839,135.10-136,096,317.90-55,281,795.60

Finding the Fourth Proportional to 90,839,135.10, 136,096,317.90 and 55,281,795.60

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Solution

The fourth proportional to 90,839,135.10, 136,096,317.90 and 55,281,795.60 is: 82,823,871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,839,135.10 : 136,096,317.90 = 55,281,795.60 : x
  2. Step 2: Convert to fraction form
    90,839,135.10/136,096,317.90 = 55,281,795.60/x
  3. Step 3: Cross multiply
    90,839,135.10x = 136,096,317.90 × 55,281,795.60
  4. Step 4: Simplify right side
    90,839,135.10x = 7,523,648,828,060,422
  5. Step 5: Solve for x
    x = 7,523,648,828,060,422/90,839,135.10
  6. Step 6: Final answer
    x = 82,823,871.23

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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.