Home / 329,209,401.30-493,625,145.15-99,143,999.70

Finding the Fourth Proportional to 329,209,401.30, 493,625,145.15 and 99,143,999.70

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Solution

The fourth proportional to 329,209,401.30, 493,625,145.15 and 99,143,999.70 is: 148,659,093.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,209,401.30 : 493,625,145.15 = 99,143,999.70 : x
  2. Step 2: Convert to fraction form
    329,209,401.30/493,625,145.15 = 99,143,999.70/x
  3. Step 3: Cross multiply
    329,209,401.30x = 493,625,145.15 × 99,143,999.70
  4. Step 4: Simplify right side
    329,209,401.30x = 48,939,971,242,664,056
  5. Step 5: Solve for x
    x = 48,939,971,242,664,056/329,209,401.30
  6. Step 6: Final answer
    x = 148,659,093.72

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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.