Home / 408,831,488.40-613,303,219.80-136,173,824.40

Finding the Fourth Proportional to 408,831,488.40, 613,303,219.80 and 136,173,824.40

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Solution

The fourth proportional to 408,831,488.40, 613,303,219.80 and 136,173,824.40 is: 204,279,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,831,488.40 : 613,303,219.80 = 136,173,824.40 : x
  2. Step 2: Convert to fraction form
    408,831,488.40/613,303,219.80 = 136,173,824.40/x
  3. Step 3: Cross multiply
    408,831,488.40x = 613,303,219.80 × 136,173,824.40
  4. Step 4: Simplify right side
    408,831,488.40x = 83,515,844,956,999,808
  5. Step 5: Solve for x
    x = 83,515,844,956,999,808/408,831,488.40
  6. Step 6: Final answer
    x = 204,279,384.85

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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.