Home / 312,984,010.80-469,476,016.20-108,444,106.80

Finding the Fourth Proportional to 312,984,010.80, 469,476,016.20 and 108,444,106.80

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Solution

The fourth proportional to 312,984,010.80, 469,476,016.20 and 108,444,106.80 is: 162,666,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,984,010.80 : 469,476,016.20 = 108,444,106.80 : x
  2. Step 2: Convert to fraction form
    312,984,010.80/469,476,016.20 = 108,444,106.80/x
  3. Step 3: Cross multiply
    312,984,010.80x = 469,476,016.20 × 108,444,106.80
  4. Step 4: Simplify right side
    312,984,010.80x = 50,911,907,240,831,328
  5. Step 5: Solve for x
    x = 50,911,907,240,831,328/312,984,010.80
  6. Step 6: Final answer
    x = 162,666,160.20

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1.5x scale

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.