Home / 290,304,460.20-435,494,015.10-144,812,389.80

Finding the Fourth Proportional to 290,304,460.20, 435,494,015.10 and 144,812,389.80

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Solution

The fourth proportional to 290,304,460.20, 435,494,015.10 and 144,812,389.80 is: 217,237,203.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,304,460.20 : 435,494,015.10 = 144,812,389.80 : x
  2. Step 2: Convert to fraction form
    290,304,460.20/435,494,015.10 = 144,812,389.80/x
  3. Step 3: Cross multiply
    290,304,460.20x = 435,494,015.10 × 144,812,389.80
  4. Step 4: Simplify right side
    290,304,460.20x = 63,064,929,070,228,296
  5. Step 5: Solve for x
    x = 63,064,929,070,228,296/290,304,460.20
  6. Step 6: Final answer
    x = 217,237,203.41

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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.