Home / 78,347,488.98-108,005,577.59-54,752,769.51

Finding the Fourth Proportional to 78,347,488.98, 108,005,577.59 and 54,752,769.51

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Solution

The fourth proportional to 78,347,488.98, 108,005,577.59 and 54,752,769.51 is: 75,479,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,347,488.98 : 108,005,577.59 = 54,752,769.51 : x
  2. Step 2: Convert to fraction form
    78,347,488.98/108,005,577.59 = 54,752,769.51/x
  3. Step 3: Cross multiply
    78,347,488.98x = 108,005,577.59 × 54,752,769.51
  4. Step 4: Simplify right side
    78,347,488.98x = 5,913,604,495,579,691
  5. Step 5: Solve for x
    x = 5,913,604,495,579,691/78,347,488.98
  6. Step 6: Final answer
    x = 75,479,183.48

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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.