Home / 100,602,048.40-150,903,072.60-73,179,692.80

Finding the Fourth Proportional to 100,602,048.40, 150,903,072.60 and 73,179,692.80

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Solution

The fourth proportional to 100,602,048.40, 150,903,072.60 and 73,179,692.80 is: 109,769,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602,048.40 : 150,903,072.60 = 73,179,692.80 : x
  2. Step 2: Convert to fraction form
    100,602,048.40/150,903,072.60 = 73,179,692.80/x
  3. Step 3: Cross multiply
    100,602,048.40x = 150,903,072.60 × 73,179,692.80
  4. Step 4: Simplify right side
    100,602,048.40x = 11,043,040,495,444,096
  5. Step 5: Solve for x
    x = 11,043,040,495,444,096/100,602,048.40
  6. Step 6: Final answer
    x = 109,769,539.20

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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.