Home / 147,533,505.60-203,595,286.14-81,458,121.72

Finding the Fourth Proportional to 147,533,505.60, 203,595,286.14 and 81,458,121.72

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Solution

The fourth proportional to 147,533,505.60, 203,595,286.14 and 81,458,121.72 is: 112,411,682.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,533,505.60 : 203,595,286.14 = 81,458,121.72 : x
  2. Step 2: Convert to fraction form
    147,533,505.60/203,595,286.14 = 81,458,121.72/x
  3. Step 3: Cross multiply
    147,533,505.60x = 203,595,286.14 × 81,458,121.72
  4. Step 4: Simplify right side
    147,533,505.60x = 16,584,489,600,010,348
  5. Step 5: Solve for x
    x = 16,584,489,600,010,348/147,533,505.60
  6. Step 6: Final answer
    x = 112,411,682.57

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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.