Home / 78,270,559.80-108,013,566.59-43,463,247.09

Finding the Fourth Proportional to 78,270,559.80, 108,013,566.59 and 43,463,247.09

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Solution

The fourth proportional to 78,270,559.80, 108,013,566.59 and 43,463,247.09 is: 59,979,388.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,270,559.80 : 108,013,566.59 = 43,463,247.09 : x
  2. Step 2: Convert to fraction form
    78,270,559.80/108,013,566.59 = 43,463,247.09/x
  3. Step 3: Cross multiply
    78,270,559.80x = 108,013,566.59 × 43,463,247.09
  4. Step 4: Simplify right side
    78,270,559.80x = 4,694,620,333,773,339
  5. Step 5: Solve for x
    x = 4,694,620,333,773,339/78,270,559.80
  6. Step 6: Final answer
    x = 59,979,388.75

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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.