Home / 119,621,996.40-179,432,994.60-68,461,942.80

Finding the Fourth Proportional to 119,621,996.40, 179,432,994.60 and 68,461,942.80

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Solution

The fourth proportional to 119,621,996.40, 179,432,994.60 and 68,461,942.80 is: 102,692,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,621,996.40 : 179,432,994.60 = 68,461,942.80 : x
  2. Step 2: Convert to fraction form
    119,621,996.40/179,432,994.60 = 68,461,942.80/x
  3. Step 3: Cross multiply
    119,621,996.40x = 179,432,994.60 × 68,461,942.80
  4. Step 4: Simplify right side
    119,621,996.40x = 12,284,331,412,737,908
  5. Step 5: Solve for x
    x = 12,284,331,412,737,908/119,621,996.40
  6. Step 6: Final answer
    x = 102,692,914.20

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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.