Home / 55,519,220.44-76,618,918.08-30,739,406.52

Finding the Fourth Proportional to 55,519,220.44, 76,618,918.08 and 30,739,406.52

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Solution

The fourth proportional to 55,519,220.44, 76,618,918.08 and 30,739,406.52 is: 42,421,706.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,519,220.44 : 76,618,918.08 = 30,739,406.52 : x
  2. Step 2: Convert to fraction form
    55,519,220.44/76,618,918.08 = 30,739,406.52/x
  3. Step 3: Cross multiply
    55,519,220.44x = 76,618,918.08 × 30,739,406.52
  4. Step 4: Simplify right side
    55,519,220.44x = 2,355,220,069,983,698
  5. Step 5: Solve for x
    x = 2,355,220,069,983,698/55,519,220.44
  6. Step 6: Final answer
    x = 42,421,706.42

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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.