Home / 77,568,007.20-116,352,010.80-26,433,031.20

Finding the Fourth Proportional to 77,568,007.20, 116,352,010.80 and 26,433,031.20

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Solution

The fourth proportional to 77,568,007.20, 116,352,010.80 and 26,433,031.20 is: 39,649,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,568,007.20 : 116,352,010.80 = 26,433,031.20 : x
  2. Step 2: Convert to fraction form
    77,568,007.20/116,352,010.80 = 26,433,031.20/x
  3. Step 3: Cross multiply
    77,568,007.20x = 116,352,010.80 × 26,433,031.20
  4. Step 4: Simplify right side
    77,568,007.20x = 3,075,536,331,659,137
  5. Step 5: Solve for x
    x = 3,075,536,331,659,137/77,568,007.20
  6. Step 6: Final answer
    x = 39,649,546.80

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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.