Home / 142,114,461.80-213,171,692.70-140,201,274.20

Finding the Fourth Proportional to 142,114,461.80, 213,171,692.70 and 140,201,274.20

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Solution

The fourth proportional to 142,114,461.80, 213,171,692.70 and 140,201,274.20 is: 210,301,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,114,461.80 : 213,171,692.70 = 140,201,274.20 : x
  2. Step 2: Convert to fraction form
    142,114,461.80/213,171,692.70 = 140,201,274.20/x
  3. Step 3: Cross multiply
    142,114,461.80x = 213,171,692.70 × 140,201,274.20
  4. Step 4: Simplify right side
    142,114,461.80x = 29,886,942,939,910,836
  5. Step 5: Solve for x
    x = 29,886,942,939,910,836/142,114,461.80
  6. Step 6: Final answer
    x = 210,301,911.30

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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.