Home / 55,471,514.60-83,218,620.38-19,075,178.11

Finding the Fourth Proportional to 55,471,514.60, 83,218,620.38 and 19,075,178.11

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Solution

The fourth proportional to 55,471,514.60, 83,218,620.38 and 19,075,178.11 is: 28,616,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,471,514.60 : 83,218,620.38 = 19,075,178.11 : x
  2. Step 2: Convert to fraction form
    55,471,514.60/83,218,620.38 = 19,075,178.11/x
  3. Step 3: Cross multiply
    55,471,514.60x = 83,218,620.38 × 19,075,178.11
  4. Step 4: Simplify right side
    55,471,514.60x = 1,587,410,005,513,553.50
  5. Step 5: Solve for x
    x = 1,587,410,005,513,553.50/55,471,514.60
  6. Step 6: Final answer
    x = 28,616,669.60

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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.