Home / 53,152,859.10-79,729,288.65-12,763,343.10

Finding the Fourth Proportional to 53,152,859.10, 79,729,288.65 and 12,763,343.10

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Solution

The fourth proportional to 53,152,859.10, 79,729,288.65 and 12,763,343.10 is: 19,145,014.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,152,859.10 : 79,729,288.65 = 12,763,343.10 : x
  2. Step 2: Convert to fraction form
    53,152,859.10/79,729,288.65 = 12,763,343.10/x
  3. Step 3: Cross multiply
    53,152,859.10x = 79,729,288.65 × 12,763,343.10
  4. Step 4: Simplify right side
    53,152,859.10x = 1,017,612,266,158,885.88
  5. Step 5: Solve for x
    x = 1,017,612,266,158,885.88/53,152,859.10
  6. Step 6: Final answer
    x = 19,145,014.65

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Similar ratio
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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.