Home / 149,711,800.80-224,567,701.20-85,214,546.40

Finding the Fourth Proportional to 149,711,800.80, 224,567,701.20 and 85,214,546.40

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Solution

The fourth proportional to 149,711,800.80, 224,567,701.20 and 85,214,546.40 is: 127,821,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,711,800.80 : 224,567,701.20 = 85,214,546.40 : x
  2. Step 2: Convert to fraction form
    149,711,800.80/224,567,701.20 = 85,214,546.40/x
  3. Step 3: Cross multiply
    149,711,800.80x = 224,567,701.20 × 85,214,546.40
  4. Step 4: Simplify right side
    149,711,800.80x = 19,136,434,793,848,736
  5. Step 5: Solve for x
    x = 19,136,434,793,848,736/149,711,800.80
  6. Step 6: Final answer
    x = 127,821,819.60

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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.