Home / 206,031,706.20-309,047,559.30-52,669,643.40

Finding the Fourth Proportional to 206,031,706.20, 309,047,559.30 and 52,669,643.40

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Solution

The fourth proportional to 206,031,706.20, 309,047,559.30 and 52,669,643.40 is: 79,004,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,031,706.20 : 309,047,559.30 = 52,669,643.40 : x
  2. Step 2: Convert to fraction form
    206,031,706.20/309,047,559.30 = 52,669,643.40/x
  3. Step 3: Cross multiply
    206,031,706.20x = 309,047,559.30 × 52,669,643.40
  4. Step 4: Simplify right side
    206,031,706.20x = 16,277,424,741,971,354
  5. Step 5: Solve for x
    x = 16,277,424,741,971,354/206,031,706.20
  6. Step 6: Final answer
    x = 79,004,465.10

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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.