Home / 61,048,083.38-84,162,173.69-48,700,086.98

Finding the Fourth Proportional to 61,048,083.38, 84,162,173.69 and 48,700,086.98

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Solution

The fourth proportional to 61,048,083.38, 84,162,173.69 and 48,700,086.98 is: 67,138,965.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,048,083.38 : 84,162,173.69 = 48,700,086.98 : x
  2. Step 2: Convert to fraction form
    61,048,083.38/84,162,173.69 = 48,700,086.98/x
  3. Step 3: Cross multiply
    61,048,083.38x = 84,162,173.69 × 48,700,086.98
  4. Step 4: Simplify right side
    61,048,083.38x = 4,098,705,179,128,867
  5. Step 5: Solve for x
    x = 4,098,705,179,128,867/61,048,083.38
  6. Step 6: Final answer
    x = 67,138,965.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.