Home / 61,670,833.06-92,511,957.65-20,171,944.90

Finding the Fourth Proportional to 61,670,833.06, 92,511,957.65 and 20,171,944.90

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Solution

The fourth proportional to 61,670,833.06, 92,511,957.65 and 20,171,944.90 is: 30,259,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,670,833.06 : 92,511,957.65 = 20,171,944.90 : x
  2. Step 2: Convert to fraction form
    61,670,833.06/92,511,957.65 = 20,171,944.90/x
  3. Step 3: Cross multiply
    61,670,833.06x = 92,511,957.65 × 20,171,944.90
  4. Step 4: Simplify right side
    61,670,833.06x = 1,866,146,112,306,933.50
  5. Step 5: Solve for x
    x = 1,866,146,112,306,933.50/61,670,833.06
  6. Step 6: Final answer
    x = 30,259,784.40

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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.