Home / 177,520,109.80-266,091,207.90-68,303,079.40

Finding the Fourth Proportional to 177,520,109.80, 266,091,207.90 and 68,303,079.40

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Solution

The fourth proportional to 177,520,109.80, 266,091,207.90 and 68,303,079.40 is: 102,381,915.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,520,109.80 : 266,091,207.90 = 68,303,079.40 : x
  2. Step 2: Convert to fraction form
    177,520,109.80/266,091,207.90 = 68,303,079.40/x
  3. Step 3: Cross multiply
    177,520,109.80x = 266,091,207.90 × 68,303,079.40
  4. Step 4: Simplify right side
    177,520,109.80x = 18,174,848,900,835,608
  5. Step 5: Solve for x
    x = 18,174,848,900,835,608/177,520,109.80
  6. Step 6: Final answer
    x = 102,381,915.61

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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.