Home / 166,658,007-229,989,888.66-92,319,706.20

Finding the Fourth Proportional to 166,658,007, 229,989,888.66 and 92,319,706.20

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Solution

The fourth proportional to 166,658,007, 229,989,888.66 and 92,319,706.20 is: 127,402,213.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,658,007 : 229,989,888.66 = 92,319,706.20 : x
  2. Step 2: Convert to fraction form
    166,658,007/229,989,888.66 = 92,319,706.20/x
  3. Step 3: Cross multiply
    166,658,007x = 229,989,888.66 × 92,319,706.20
  4. Step 4: Simplify right side
    166,658,007x = 21,232,598,950,061,912
  5. Step 5: Solve for x
    x = 21,232,598,950,061,912/166,658,007
  6. Step 6: Final answer
    x = 127,402,213.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.