Home / 85,394,381.34-128,099,446.38-27,886,953.90

Finding the Fourth Proportional to 85,394,381.34, 128,099,446.38 and 27,886,953.90

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Solution

The fourth proportional to 85,394,381.34, 128,099,446.38 and 27,886,953.90 is: 41,833,002.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,394,381.34 : 128,099,446.38 = 27,886,953.90 : x
  2. Step 2: Convert to fraction form
    85,394,381.34/128,099,446.38 = 27,886,953.90/x
  3. Step 3: Cross multiply
    85,394,381.34x = 128,099,446.38 × 27,886,953.90
  4. Step 4: Simplify right side
    85,394,381.34x = 3,572,303,355,814,581.50
  5. Step 5: Solve for x
    x = 3,572,303,355,814,581.50/85,394,381.34
  6. Step 6: Final answer
    x = 41,833,002.36

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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.