Home / 103,631,727.57-155,404,619.22-42,179,178.12

Finding the Fourth Proportional to 103,631,727.57, 155,404,619.22 and 42,179,178.12

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Solution

The fourth proportional to 103,631,727.57, 155,404,619.22 and 42,179,178.12 is: 63,251,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631,727.57 : 155,404,619.22 = 42,179,178.12 : x
  2. Step 2: Convert to fraction form
    103,631,727.57/155,404,619.22 = 42,179,178.12/x
  3. Step 3: Cross multiply
    103,631,727.57x = 155,404,619.22 × 42,179,178.12
  4. Step 4: Simplify right side
    103,631,727.57x = 6,554,839,114,751,155
  5. Step 5: Solve for x
    x = 6,554,839,114,751,155/103,631,727.57
  6. Step 6: Final answer
    x = 63,251,277.08

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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.