Home / 408,116,165.70-612,174,692.02-101,408,278.56

Finding the Fourth Proportional to 408,116,165.70, 612,174,692.02 and 101,408,278.56

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Solution

The fourth proportional to 408,116,165.70, 612,174,692.02 and 101,408,278.56 is: 152,112,528.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,116,165.70 : 612,174,692.02 = 101,408,278.56 : x
  2. Step 2: Convert to fraction form
    408,116,165.70/612,174,692.02 = 101,408,278.56/x
  3. Step 3: Cross multiply
    408,116,165.70x = 612,174,692.02 × 101,408,278.56
  4. Step 4: Simplify right side
    408,116,165.70x = 62,079,581,695,746,368
  5. Step 5: Solve for x
    x = 62,079,581,695,746,368/408,116,165.70
  6. Step 6: Final answer
    x = 152,112,528.03

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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.