Home / 201,204,630.70-301,806,946.05-193,551,880.30

Finding the Fourth Proportional to 201,204,630.70, 301,806,946.05 and 193,551,880.30

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Solution

The fourth proportional to 201,204,630.70, 301,806,946.05 and 193,551,880.30 is: 290,327,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,630.70 : 301,806,946.05 = 193,551,880.30 : x
  2. Step 2: Convert to fraction form
    201,204,630.70/301,806,946.05 = 193,551,880.30/x
  3. Step 3: Cross multiply
    201,204,630.70x = 301,806,946.05 × 193,551,880.30
  4. Step 4: Simplify right side
    201,204,630.70x = 58,415,301,895,578,160
  5. Step 5: Solve for x
    x = 58,415,301,895,578,160/201,204,630.70
  6. Step 6: Final answer
    x = 290,327,820.45

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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.