Home / 54,556,685-81,835,649.58-18,657,692.36

Finding the Fourth Proportional to 54,556,685, 81,835,649.58 and 18,657,692.36

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Solution

The fourth proportional to 54,556,685, 81,835,649.58 and 18,657,692.36 is: 27,986,751.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,556,685 : 81,835,649.58 = 18,657,692.36 : x
  2. Step 2: Convert to fraction form
    54,556,685/81,835,649.58 = 18,657,692.36/x
  3. Step 3: Cross multiply
    54,556,685x = 81,835,649.58 × 18,657,692.36
  4. Step 4: Simplify right side
    54,556,685x = 1,526,864,373,944,403.25
  5. Step 5: Solve for x
    x = 1,526,864,373,944,403.25/54,556,685
  6. Step 6: Final answer
    x = 27,986,751.28

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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.