Home / 201,203,999.80-301,805,999.70-64,903,161.40

Finding the Fourth Proportional to 201,203,999.80, 301,805,999.70 and 64,903,161.40

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Solution

The fourth proportional to 201,203,999.80, 301,805,999.70 and 64,903,161.40 is: 97,354,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,203,999.80 : 301,805,999.70 = 64,903,161.40 : x
  2. Step 2: Convert to fraction form
    201,203,999.80/301,805,999.70 = 64,903,161.40/x
  3. Step 3: Cross multiply
    201,203,999.80x = 301,805,999.70 × 64,903,161.40
  4. Step 4: Simplify right side
    201,203,999.80x = 19,588,163,510,017,452
  5. Step 5: Solve for x
    x = 19,588,163,510,017,452/201,203,999.80
  6. Step 6: Final answer
    x = 97,354,742.10

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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.