Home / 329,209,401.80-493,625,145.90-99,144,000.20

Finding the Fourth Proportional to 329,209,401.80, 493,625,145.90 and 99,144,000.20

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Solution

The fourth proportional to 329,209,401.80, 493,625,145.90 and 99,144,000.20 is: 148,659,094.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,209,401.80 : 493,625,145.90 = 99,144,000.20 : x
  2. Step 2: Convert to fraction form
    329,209,401.80/493,625,145.90 = 99,144,000.20/x
  3. Step 3: Cross multiply
    329,209,401.80x = 493,625,145.90 × 99,144,000.20
  4. Step 4: Simplify right side
    329,209,401.80x = 48,939,971,563,834,632
  5. Step 5: Solve for x
    x = 48,939,971,563,834,632/329,209,401.80
  6. Step 6: Final answer
    x = 148,659,094.47

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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.