Home / 111,835,724.06-154,201,242.30-76,570,629.86

Finding the Fourth Proportional to 111,835,724.06, 154,201,242.30 and 76,570,629.86

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Solution

The fourth proportional to 111,835,724.06, 154,201,242.30 and 76,570,629.86 is: 105,577,053.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,835,724.06 : 154,201,242.30 = 76,570,629.86 : x
  2. Step 2: Convert to fraction form
    111,835,724.06/154,201,242.30 = 76,570,629.86/x
  3. Step 3: Cross multiply
    111,835,724.06x = 154,201,242.30 × 76,570,629.86
  4. Step 4: Simplify right side
    111,835,724.06x = 11,807,286,248,105,476
  5. Step 5: Solve for x
    x = 11,807,286,248,105,476/111,835,724.06
  6. Step 6: Final answer
    x = 105,577,053.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.