Home / 206,039,208.60-309,058,812.90-52,697,266.20

Finding the Fourth Proportional to 206,039,208.60, 309,058,812.90 and 52,697,266.20

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Solution

The fourth proportional to 206,039,208.60, 309,058,812.90 and 52,697,266.20 is: 79,045,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,039,208.60 : 309,058,812.90 = 52,697,266.20 : x
  2. Step 2: Convert to fraction form
    206,039,208.60/309,058,812.90 = 52,697,266.20/x
  3. Step 3: Cross multiply
    206,039,208.60x = 309,058,812.90 × 52,697,266.20
  4. Step 4: Simplify right side
    206,039,208.60x = 16,286,554,534,847,294
  5. Step 5: Solve for x
    x = 16,286,554,534,847,294/206,039,208.60
  6. Step 6: Final answer
    x = 79,045,899.30

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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.