Home / 111,130,153.80-166,695,230.70-109,004,389.80

Finding the Fourth Proportional to 111,130,153.80, 166,695,230.70 and 109,004,389.80

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Solution

The fourth proportional to 111,130,153.80, 166,695,230.70 and 109,004,389.80 is: 163,506,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,130,153.80 : 166,695,230.70 = 109,004,389.80 : x
  2. Step 2: Convert to fraction form
    111,130,153.80/166,695,230.70 = 109,004,389.80/x
  3. Step 3: Cross multiply
    111,130,153.80x = 166,695,230.70 × 109,004,389.80
  4. Step 4: Simplify right side
    111,130,153.80x = 18,170,511,905,023,724
  5. Step 5: Solve for x
    x = 18,170,511,905,023,724/111,130,153.80
  6. Step 6: Final answer
    x = 163,506,584.70

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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.