Home / 80,072,509.36-120,065,556.44-36,329,393.36

Finding the Fourth Proportional to 80,072,509.36, 120,065,556.44 and 36,329,393.36

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Solution

The fourth proportional to 80,072,509.36, 120,065,556.44 and 36,329,393.36 is: 54,474,486.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,072,509.36 : 120,065,556.44 = 36,329,393.36 : x
  2. Step 2: Convert to fraction form
    80,072,509.36/120,065,556.44 = 36,329,393.36/x
  3. Step 3: Cross multiply
    80,072,509.36x = 120,065,556.44 × 36,329,393.36
  4. Step 4: Simplify right side
    80,072,509.36x = 4,361,908,828,896,041
  5. Step 5: Solve for x
    x = 4,361,908,828,896,041/80,072,509.36
  6. Step 6: Final answer
    x = 54,474,486.48

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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.