Home / 217,314,051.90-325,859,103.45-80,929,232.70

Finding the Fourth Proportional to 217,314,051.90, 325,859,103.45 and 80,929,232.70

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Solution

The fourth proportional to 217,314,051.90, 325,859,103.45 and 80,929,232.70 is: 121,352,149.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,314,051.90 : 325,859,103.45 = 80,929,232.70 : x
  2. Step 2: Convert to fraction form
    217,314,051.90/325,859,103.45 = 80,929,232.70/x
  3. Step 3: Cross multiply
    217,314,051.90x = 325,859,103.45 × 80,929,232.70
  4. Step 4: Simplify right side
    217,314,051.90x = 26,371,527,210,518,424
  5. Step 5: Solve for x
    x = 26,371,527,210,518,424/217,314,051.90
  6. Step 6: Final answer
    x = 121,352,149.02

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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.