Home / 162,138,639.36-243,105,782.40-137,555,155.56

Finding the Fourth Proportional to 162,138,639.36, 243,105,782.40 and 137,555,155.56

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Solution

The fourth proportional to 162,138,639.36, 243,105,782.40 and 137,555,155.56 is: 206,246,048.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,138,639.36 : 243,105,782.40 = 137,555,155.56 : x
  2. Step 2: Convert to fraction form
    162,138,639.36/243,105,782.40 = 137,555,155.56/x
  3. Step 3: Cross multiply
    162,138,639.36x = 243,105,782.40 × 137,555,155.56
  4. Step 4: Simplify right side
    162,138,639.36x = 33,440,453,715,567,512
  5. Step 5: Solve for x
    x = 33,440,453,715,567,512/162,138,639.36
  6. Step 6: Final answer
    x = 206,246,048.74

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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.