Home / 149,538,108.90-224,538,110.55-81,513,660.90

Finding the Fourth Proportional to 149,538,108.90, 224,538,110.55 and 81,513,660.90

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Solution

The fourth proportional to 149,538,108.90, 224,538,110.55 and 81,513,660.90 is: 122,396,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,538,108.90 : 224,538,110.55 = 81,513,660.90 : x
  2. Step 2: Convert to fraction form
    149,538,108.90/224,538,110.55 = 81,513,660.90/x
  3. Step 3: Cross multiply
    149,538,108.90x = 224,538,110.55 × 81,513,660.90
  4. Step 4: Simplify right side
    149,538,108.90x = 18,302,923,402,499,416
  5. Step 5: Solve for x
    x = 18,302,923,402,499,416/149,538,108.90
  6. Step 6: Final answer
    x = 122,396,381.34

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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.