Home / 53,145,921.60-79,718,882.40-40,296,859.20

Finding the Fourth Proportional to 53,145,921.60, 79,718,882.40 and 40,296,859.20

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Solution

The fourth proportional to 53,145,921.60, 79,718,882.40 and 40,296,859.20 is: 60,445,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145,921.60 : 79,718,882.40 = 40,296,859.20 : x
  2. Step 2: Convert to fraction form
    53,145,921.60/79,718,882.40 = 40,296,859.20/x
  3. Step 3: Cross multiply
    53,145,921.60x = 79,718,882.40 × 40,296,859.20
  4. Step 4: Simplify right side
    53,145,921.60x = 3,212,420,579,654,158.50
  5. Step 5: Solve for x
    x = 3,212,420,579,654,158.50/53,145,921.60
  6. Step 6: Final answer
    x = 60,445,288.80

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1.5x scale

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.