Home / 162,483,849.20-243,757,266.60-81,704,817.20

Finding the Fourth Proportional to 162,483,849.20, 243,757,266.60 and 81,704,817.20

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Solution

The fourth proportional to 162,483,849.20, 243,757,266.60 and 81,704,817.20 is: 122,573,061.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,483,849.20 : 243,757,266.60 = 81,704,817.20 : x
  2. Step 2: Convert to fraction form
    162,483,849.20/243,757,266.60 = 81,704,817.20/x
  3. Step 3: Cross multiply
    162,483,849.20x = 243,757,266.60 × 81,704,817.20
  4. Step 4: Simplify right side
    162,483,849.20x = 19,916,142,908,724,664
  5. Step 5: Solve for x
    x = 19,916,142,908,724,664/162,483,849.20
  6. Step 6: Final answer
    x = 122,573,061.92

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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.