Home / 201,204,006.80-301,778,016.60-64,903,168.40

Finding the Fourth Proportional to 201,204,006.80, 301,778,016.60 and 64,903,168.40

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Solution

The fourth proportional to 201,204,006.80, 301,778,016.60 and 64,903,168.40 is: 97,345,722.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,006.80 : 301,778,016.60 = 64,903,168.40 : x
  2. Step 2: Convert to fraction form
    201,204,006.80/301,778,016.60 = 64,903,168.40/x
  3. Step 3: Cross multiply
    201,204,006.80x = 301,778,016.60 × 64,903,168.40
  4. Step 4: Simplify right side
    201,204,006.80x = 19,586,349,430,807,796
  5. Step 5: Solve for x
    x = 19,586,349,430,807,796/201,204,006.80
  6. Step 6: Final answer
    x = 97,345,722.59

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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.