Home / 205,311,998.40-307,967,997.60-61,704,830.40

Finding the Fourth Proportional to 205,311,998.40, 307,967,997.60 and 61,704,830.40

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Solution

The fourth proportional to 205,311,998.40, 307,967,997.60 and 61,704,830.40 is: 92,557,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,311,998.40 : 307,967,997.60 = 61,704,830.40 : x
  2. Step 2: Convert to fraction form
    205,311,998.40/307,967,997.60 = 61,704,830.40/x
  3. Step 3: Cross multiply
    205,311,998.40x = 307,967,997.60 × 61,704,830.40
  4. Step 4: Simplify right side
    205,311,998.40x = 19,003,113,060,535,608
  5. Step 5: Solve for x
    x = 19,003,113,060,535,608/205,311,998.40
  6. Step 6: Final answer
    x = 92,557,245.60

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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.