Home / 105,770,865.07-158,572,855.96-66,827,232.23

Finding the Fourth Proportional to 105,770,865.07, 158,572,855.96 and 66,827,232.23

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Solution

The fourth proportional to 105,770,865.07, 158,572,855.96 and 66,827,232.23 is: 100,188,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,770,865.07 : 158,572,855.96 = 66,827,232.23 : x
  2. Step 2: Convert to fraction form
    105,770,865.07/158,572,855.96 = 66,827,232.23/x
  3. Step 3: Cross multiply
    105,770,865.07x = 158,572,855.96 × 66,827,232.23
  4. Step 4: Simplify right side
    105,770,865.07x = 10,596,985,069,653,328
  5. Step 5: Solve for x
    x = 10,596,985,069,653,328/105,770,865.07
  6. Step 6: Final answer
    x = 100,188,128.96

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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.