Home / 135,093,505.78-202,656,656.28-38,049,213.32

Finding the Fourth Proportional to 135,093,505.78, 202,656,656.28 and 38,049,213.32

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Solution

The fourth proportional to 135,093,505.78, 202,656,656.28 and 38,049,213.32 is: 57,078,438.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,093,505.78 : 202,656,656.28 = 38,049,213.32 : x
  2. Step 2: Convert to fraction form
    135,093,505.78/202,656,656.28 = 38,049,213.32/x
  3. Step 3: Cross multiply
    135,093,505.78x = 202,656,656.28 × 38,049,213.32
  4. Step 4: Simplify right side
    135,093,505.78x = 7,710,926,346,330,729
  5. Step 5: Solve for x
    x = 7,710,926,346,330,729/135,093,505.78
  6. Step 6: Final answer
    x = 57,078,438.39

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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.