Home / 141,786,205.40-212,679,308.10-133,176,861.20

Finding the Fourth Proportional to 141,786,205.40, 212,679,308.10 and 133,176,861.20

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Solution

The fourth proportional to 141,786,205.40, 212,679,308.10 and 133,176,861.20 is: 199,765,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,786,205.40 : 212,679,308.10 = 133,176,861.20 : x
  2. Step 2: Convert to fraction form
    141,786,205.40/212,679,308.10 = 133,176,861.20/x
  3. Step 3: Cross multiply
    141,786,205.40x = 212,679,308.10 × 133,176,861.20
  4. Step 4: Simplify right side
    141,786,205.40x = 28,323,962,694,945,736
  5. Step 5: Solve for x
    x = 28,323,962,694,945,736/141,786,205.40
  6. Step 6: Final answer
    x = 199,765,291.80

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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.