Home / 61,067,999.70-91,601,999.55-20,678,483.70

Finding the Fourth Proportional to 61,067,999.70, 91,601,999.55 and 20,678,483.70

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Solution

The fourth proportional to 61,067,999.70, 91,601,999.55 and 20,678,483.70 is: 31,017,725.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,067,999.70 : 91,601,999.55 = 20,678,483.70 : x
  2. Step 2: Convert to fraction form
    61,067,999.70/91,601,999.55 = 20,678,483.70/x
  3. Step 3: Cross multiply
    61,067,999.70x = 91,601,999.55 × 20,678,483.70
  4. Step 4: Simplify right side
    61,067,999.70x = 1,894,190,454,582,082.25
  5. Step 5: Solve for x
    x = 1,894,190,454,582,082.25/61,067,999.70
  6. Step 6: Final answer
    x = 31,017,725.55

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1.5x scale

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.