Home / 162,483,848.20-243,757,265.10-81,704,816.20

Finding the Fourth Proportional to 162,483,848.20, 243,757,265.10 and 81,704,816.20

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Solution

The fourth proportional to 162,483,848.20, 243,757,265.10 and 81,704,816.20 is: 122,573,060.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,483,848.20 : 243,757,265.10 = 81,704,816.20 : x
  2. Step 2: Convert to fraction form
    162,483,848.20/243,757,265.10 = 81,704,816.20/x
  3. Step 3: Cross multiply
    162,483,848.20x = 243,757,265.10 × 81,704,816.20
  4. Step 4: Simplify right side
    162,483,848.20x = 19,916,142,542,410,176
  5. Step 5: Solve for x
    x = 19,916,142,542,410,176/162,483,848.20
  6. Step 6: Final answer
    x = 122,573,060.42

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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.