Home / 408,831,491.40-613,303,224.30-136,173,827.40

Finding the Fourth Proportional to 408,831,491.40, 613,303,224.30 and 136,173,827.40

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Solution

The fourth proportional to 408,831,491.40, 613,303,224.30 and 136,173,827.40 is: 204,279,389.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,831,491.40 : 613,303,224.30 = 136,173,827.40 : x
  2. Step 2: Convert to fraction form
    408,831,491.40/613,303,224.30 = 136,173,827.40/x
  3. Step 3: Cross multiply
    408,831,491.40x = 613,303,224.30 × 136,173,827.40
  4. Step 4: Simplify right side
    408,831,491.40x = 83,515,847,409,691,680
  5. Step 5: Solve for x
    x = 83,515,847,409,691,680/408,831,491.40
  6. Step 6: Final answer
    x = 204,279,389.35

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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.