Home / 189,113,003.55-283,669,505.33-74,059,307.55

Finding the Fourth Proportional to 189,113,003.55, 283,669,505.33 and 74,059,307.55

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Solution

The fourth proportional to 189,113,003.55, 283,669,505.33 and 74,059,307.55 is: 111,088,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,113,003.55 : 283,669,505.33 = 74,059,307.55 : x
  2. Step 2: Convert to fraction form
    189,113,003.55/283,669,505.33 = 74,059,307.55/x
  3. Step 3: Cross multiply
    189,113,003.55x = 283,669,505.33 × 74,059,307.55
  4. Step 4: Simplify right side
    189,113,003.55x = 21,008,367,137,420,536
  5. Step 5: Solve for x
    x = 21,008,367,137,420,536/189,113,003.55
  6. Step 6: Final answer
    x = 111,088,961.33

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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.