Home / 172,430,892.40-258,683,663.40-51,274,591.60

Finding the Fourth Proportional to 172,430,892.40, 258,683,663.40 and 51,274,591.60

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Solution

The fourth proportional to 172,430,892.40, 258,683,663.40 and 51,274,591.60 is: 76,922,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,430,892.40 : 258,683,663.40 = 51,274,591.60 : x
  2. Step 2: Convert to fraction form
    172,430,892.40/258,683,663.40 = 51,274,591.60/x
  3. Step 3: Cross multiply
    172,430,892.40x = 258,683,663.40 × 51,274,591.60
  4. Step 4: Simplify right side
    172,430,892.40x = 13,263,899,194,426,868
  5. Step 5: Solve for x
    x = 13,263,899,194,426,868/172,430,892.40
  6. Step 6: Final answer
    x = 76,922,986.42

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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.