Home / 266,976,010.80-400,464,016.20-105,396,951.60

Finding the Fourth Proportional to 266,976,010.80, 400,464,016.20 and 105,396,951.60

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Solution

The fourth proportional to 266,976,010.80, 400,464,016.20 and 105,396,951.60 is: 158,095,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,976,010.80 : 400,464,016.20 = 105,396,951.60 : x
  2. Step 2: Convert to fraction form
    266,976,010.80/400,464,016.20 = 105,396,951.60/x
  3. Step 3: Cross multiply
    266,976,010.80x = 400,464,016.20 × 105,396,951.60
  4. Step 4: Simplify right side
    266,976,010.80x = 42,207,686,532,973,016
  5. Step 5: Solve for x
    x = 42,207,686,532,973,016/266,976,010.80
  6. Step 6: Final answer
    x = 158,095,427.40

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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.