Home / 245,621,588.10-367,424,612.55-221,435,117.70

Finding the Fourth Proportional to 245,621,588.10, 367,424,612.55 and 221,435,117.70

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Solution

The fourth proportional to 245,621,588.10, 367,424,612.55 and 221,435,117.70 is: 331,244,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,621,588.10 : 367,424,612.55 = 221,435,117.70 : x
  2. Step 2: Convert to fraction form
    245,621,588.10/367,424,612.55 = 221,435,117.70/x
  3. Step 3: Cross multiply
    245,621,588.10x = 367,424,612.55 × 221,435,117.70
  4. Step 4: Simplify right side
    245,621,588.10x = 81,360,712,325,886,144
  5. Step 5: Solve for x
    x = 81,360,712,325,886,144/245,621,588.10
  6. Step 6: Final answer
    x = 331,244,142.48

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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.