Home / 51,975,519.12-71,725,345.80-28,770,146.64

Finding the Fourth Proportional to 51,975,519.12, 71,725,345.80 and 28,770,146.64

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Solution

The fourth proportional to 51,975,519.12, 71,725,345.80 and 28,770,146.64 is: 39,702,320.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,975,519.12 : 71,725,345.80 = 28,770,146.64 : x
  2. Step 2: Convert to fraction form
    51,975,519.12/71,725,345.80 = 28,770,146.64/x
  3. Step 3: Cross multiply
    51,975,519.12x = 71,725,345.80 × 28,770,146.64
  4. Step 4: Simplify right side
    51,975,519.12x = 2,063,548,716,470,708
  5. Step 5: Solve for x
    x = 2,063,548,716,470,708/51,975,519.12
  6. Step 6: Final answer
    x = 39,702,320.47

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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.