Home / 133,075,885.80-199,315,230.30-109,188,013.80

Finding the Fourth Proportional to 133,075,885.80, 199,315,230.30 and 109,188,013.80

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Solution

The fourth proportional to 133,075,885.80, 199,315,230.30 and 109,188,013.80 is: 163,537,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,075,885.80 : 199,315,230.30 = 109,188,013.80 : x
  2. Step 2: Convert to fraction form
    133,075,885.80/199,315,230.30 = 109,188,013.80/x
  3. Step 3: Cross multiply
    133,075,885.80x = 199,315,230.30 × 109,188,013.80
  4. Step 4: Simplify right side
    133,075,885.80x = 21,762,834,116,546,580
  5. Step 5: Solve for x
    x = 21,762,834,116,546,580/133,075,885.80
  6. Step 6: Final answer
    x = 163,537,022.40

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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.