Home / 164,015,999.80-246,023,999.70-66,939,443.80

Finding the Fourth Proportional to 164,015,999.80, 246,023,999.70 and 66,939,443.80

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Solution

The fourth proportional to 164,015,999.80, 246,023,999.70 and 66,939,443.80 is: 100,409,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,015,999.80 : 246,023,999.70 = 66,939,443.80 : x
  2. Step 2: Convert to fraction form
    164,015,999.80/246,023,999.70 = 66,939,443.80/x
  3. Step 3: Cross multiply
    164,015,999.80x = 246,023,999.70 × 66,939,443.80
  4. Step 4: Simplify right side
    164,015,999.80x = 16,468,709,701,369,366
  5. Step 5: Solve for x
    x = 16,468,709,701,369,366/164,015,999.80
  6. Step 6: Final answer
    x = 100,409,165.70

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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.