Home / 149,104,665.27-205,762,476.08-82,122,337.15

Finding the Fourth Proportional to 149,104,665.27, 205,762,476.08 and 82,122,337.15

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Solution

The fourth proportional to 149,104,665.27, 205,762,476.08 and 82,122,337.15 is: 113,327,744.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,104,665.27 : 205,762,476.08 = 82,122,337.15 : x
  2. Step 2: Convert to fraction form
    149,104,665.27/205,762,476.08 = 82,122,337.15/x
  3. Step 3: Cross multiply
    149,104,665.27x = 205,762,476.08 × 82,122,337.15
  4. Step 4: Simplify right side
    149,104,665.27x = 16,897,695,433,151,470
  5. Step 5: Solve for x
    x = 16,897,695,433,151,470/149,104,665.27
  6. Step 6: Final answer
    x = 113,327,744.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.