Home / 245,621,579.60-367,424,599.80-221,435,109.20

Finding the Fourth Proportional to 245,621,579.60, 367,424,599.80 and 221,435,109.20

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Solution

The fourth proportional to 245,621,579.60, 367,424,599.80 and 221,435,109.20 is: 331,244,129.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,621,579.60 : 367,424,599.80 = 221,435,109.20 : x
  2. Step 2: Convert to fraction form
    245,621,579.60/367,424,599.80 = 221,435,109.20/x
  3. Step 3: Cross multiply
    245,621,579.60x = 367,424,599.80 × 221,435,109.20
  4. Step 4: Simplify right side
    245,621,579.60x = 81,360,706,379,479,296
  5. Step 5: Solve for x
    x = 81,360,706,379,479,296/245,621,579.60
  6. Step 6: Final answer
    x = 331,244,129.74

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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.