Home / 69,615,613.09-96,063,921.97-40,248,838.18

Finding the Fourth Proportional to 69,615,613.09, 96,063,921.97 and 40,248,838.18

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Solution

The fourth proportional to 69,615,613.09, 96,063,921.97 and 40,248,838.18 is: 55,540,145.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,615,613.09 : 96,063,921.97 = 40,248,838.18 : x
  2. Step 2: Convert to fraction form
    69,615,613.09/96,063,921.97 = 40,248,838.18/x
  3. Step 3: Cross multiply
    69,615,613.09x = 96,063,921.97 × 40,248,838.18
  4. Step 4: Simplify right side
    69,615,613.09x = 3,866,461,250,306,676.50
  5. Step 5: Solve for x
    x = 3,866,461,250,306,676.50/69,615,613.09
  6. Step 6: Final answer
    x = 55,540,145.07

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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.