Home / 170,189,030.80-255,248,116.80-73,147,904.20

Finding the Fourth Proportional to 170,189,030.80, 255,248,116.80 and 73,147,904.20

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Solution

The fourth proportional to 170,189,030.80, 255,248,116.80 and 73,147,904.20 is: 109,706,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,189,030.80 : 255,248,116.80 = 73,147,904.20 : x
  2. Step 2: Convert to fraction form
    170,189,030.80/255,248,116.80 = 73,147,904.20/x
  3. Step 3: Cross multiply
    170,189,030.80x = 255,248,116.80 × 73,147,904.20
  4. Step 4: Simplify right side
    170,189,030.80x = 18,670,864,794,916,812
  5. Step 5: Solve for x
    x = 18,670,864,794,916,812/170,189,030.80
  6. Step 6: Final answer
    x = 109,706,628.61

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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.