Home / 78,074,942.04-107,743,700.52-43,268,224.68

Finding the Fourth Proportional to 78,074,942.04, 107,743,700.52 and 43,268,224.68

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Solution

The fourth proportional to 78,074,942.04, 107,743,700.52 and 43,268,224.68 is: 59,710,305.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,074,942.04 : 107,743,700.52 = 43,268,224.68 : x
  2. Step 2: Convert to fraction form
    78,074,942.04/107,743,700.52 = 43,268,224.68/x
  3. Step 3: Cross multiply
    78,074,942.04x = 107,743,700.52 × 43,268,224.68
  4. Step 4: Simplify right side
    78,074,942.04x = 4,661,878,641,953,993
  5. Step 5: Solve for x
    x = 4,661,878,641,953,993/78,074,942.04
  6. Step 6: Final answer
    x = 59,710,305.51

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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.