Home / 53,145,015.60-79,717,523.40-40,295,953.20

Finding the Fourth Proportional to 53,145,015.60, 79,717,523.40 and 40,295,953.20

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Solution

The fourth proportional to 53,145,015.60, 79,717,523.40 and 40,295,953.20 is: 60,443,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145,015.60 : 79,717,523.40 = 40,295,953.20 : x
  2. Step 2: Convert to fraction form
    53,145,015.60/79,717,523.40 = 40,295,953.20/x
  3. Step 3: Cross multiply
    53,145,015.60x = 79,717,523.40 × 40,295,953.20
  4. Step 4: Simplify right side
    53,145,015.60x = 3,212,293,592,146,305.50
  5. Step 5: Solve for x
    x = 3,212,293,592,146,305.50/53,145,015.60
  6. Step 6: Final answer
    x = 60,443,929.80

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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.