Home / 103,634,660.84-155,505,791.32-42,268,840.52

Finding the Fourth Proportional to 103,634,660.84, 155,505,791.32 and 42,268,840.52

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Solution

The fourth proportional to 103,634,660.84, 155,505,791.32 and 42,268,840.52 is: 63,425,203.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634,660.84 : 155,505,791.32 = 42,268,840.52 : x
  2. Step 2: Convert to fraction form
    103,634,660.84/155,505,791.32 = 42,268,840.52/x
  3. Step 3: Cross multiply
    103,634,660.84x = 155,505,791.32 × 42,268,840.52
  4. Step 4: Simplify right side
    103,634,660.84x = 6,573,049,492,358,279
  5. Step 5: Solve for x
    x = 6,573,049,492,358,279/103,634,660.84
  6. Step 6: Final answer
    x = 63,425,203.88

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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.