Home / 61,670,832.55-92,511,956.90-20,171,944.40

Finding the Fourth Proportional to 61,670,832.55, 92,511,956.90 and 20,171,944.40

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Solution

The fourth proportional to 61,670,832.55, 92,511,956.90 and 20,171,944.40 is: 30,259,783.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,670,832.55 : 92,511,956.90 = 20,171,944.40 : x
  2. Step 2: Convert to fraction form
    61,670,832.55/92,511,956.90 = 20,171,944.40/x
  3. Step 3: Cross multiply
    61,670,832.55x = 92,511,956.90 × 20,171,944.40
  4. Step 4: Simplify right side
    61,670,832.55x = 1,866,146,050,973,462.25
  5. Step 5: Solve for x
    x = 1,866,146,050,973,462.25/61,670,832.55
  6. Step 6: Final answer
    x = 30,259,783.66

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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.