Home / 145,157,027.40-217,436,942.70-73,393,878.60

Finding the Fourth Proportional to 145,157,027.40, 217,436,942.70 and 73,393,878.60

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Solution

The fourth proportional to 145,157,027.40, 217,436,942.70 and 73,393,878.60 is: 109,939,841.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,157,027.40 : 217,436,942.70 = 73,393,878.60 : x
  2. Step 2: Convert to fraction form
    145,157,027.40/217,436,942.70 = 73,393,878.60/x
  3. Step 3: Cross multiply
    145,157,027.40x = 217,436,942.70 × 73,393,878.60
  4. Step 4: Simplify right side
    145,157,027.40x = 15,958,540,575,678,954
  5. Step 5: Solve for x
    x = 15,958,540,575,678,954/145,157,027.40
  6. Step 6: Final answer
    x = 109,939,841.44

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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.