Home / 51,281,805.20-76,922,707.80-15,380,013.20

Finding the Fourth Proportional to 51,281,805.20, 76,922,707.80 and 15,380,013.20

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Solution

The fourth proportional to 51,281,805.20, 76,922,707.80 and 15,380,013.20 is: 23,070,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,281,805.20 : 76,922,707.80 = 15,380,013.20 : x
  2. Step 2: Convert to fraction form
    51,281,805.20/76,922,707.80 = 15,380,013.20/x
  3. Step 3: Cross multiply
    51,281,805.20x = 76,922,707.80 × 15,380,013.20
  4. Step 4: Simplify right side
    51,281,805.20x = 1,183,072,261,343,742.75
  5. Step 5: Solve for x
    x = 1,183,072,261,343,742.75/51,281,805.20
  6. Step 6: Final answer
    x = 23,070,019.80

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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.