Home / 164,015,999.30-246,023,998.95-66,939,443.30

Finding the Fourth Proportional to 164,015,999.30, 246,023,998.95 and 66,939,443.30

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Solution

The fourth proportional to 164,015,999.30, 246,023,998.95 and 66,939,443.30 is: 100,409,164.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,015,999.30 : 246,023,998.95 = 66,939,443.30 : x
  2. Step 2: Convert to fraction form
    164,015,999.30/246,023,998.95 = 66,939,443.30/x
  3. Step 3: Cross multiply
    164,015,999.30x = 246,023,998.95 × 66,939,443.30
  4. Step 4: Simplify right side
    164,015,999.30x = 16,468,709,528,152,784
  5. Step 5: Solve for x
    x = 16,468,709,528,152,784/164,015,999.30
  6. Step 6: Final answer
    x = 100,409,164.95

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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.