Home / 106,303,538.40-159,455,307.60-104,287,999.20

Finding the Fourth Proportional to 106,303,538.40, 159,455,307.60 and 104,287,999.20

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Solution

The fourth proportional to 106,303,538.40, 159,455,307.60 and 104,287,999.20 is: 156,431,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,303,538.40 : 159,455,307.60 = 104,287,999.20 : x
  2. Step 2: Convert to fraction form
    106,303,538.40/159,455,307.60 = 104,287,999.20/x
  3. Step 3: Cross multiply
    106,303,538.40x = 159,455,307.60 × 104,287,999.20
  4. Step 4: Simplify right side
    106,303,538.40x = 16,629,274,991,424,554
  5. Step 5: Solve for x
    x = 16,629,274,991,424,554/106,303,538.40
  6. Step 6: Final answer
    x = 156,431,998.80

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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.