Home / 111,130,002.30-166,695,003.45-109,004,238.30

Finding the Fourth Proportional to 111,130,002.30, 166,695,003.45 and 109,004,238.30

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Solution

The fourth proportional to 111,130,002.30, 166,695,003.45 and 109,004,238.30 is: 163,506,357.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,130,002.30 : 166,695,003.45 = 109,004,238.30 : x
  2. Step 2: Convert to fraction form
    111,130,002.30/166,695,003.45 = 109,004,238.30/x
  3. Step 3: Cross multiply
    111,130,002.30x = 166,695,003.45 × 109,004,238.30
  4. Step 4: Simplify right side
    111,130,002.30x = 18,170,461,879,483,120
  5. Step 5: Solve for x
    x = 18,170,461,879,483,120/111,130,002.30
  6. Step 6: Final answer
    x = 163,506,357.45

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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.