Home / 201,204,006.10-301,806,009.15-139,982,002.90

Finding the Fourth Proportional to 201,204,006.10, 301,806,009.15 and 139,982,002.90

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Solution

The fourth proportional to 201,204,006.10, 301,806,009.15 and 139,982,002.90 is: 209,973,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,006.10 : 301,806,009.15 = 139,982,002.90 : x
  2. Step 2: Convert to fraction form
    201,204,006.10/301,806,009.15 = 139,982,002.90/x
  3. Step 3: Cross multiply
    201,204,006.10x = 301,806,009.15 × 139,982,002.90
  4. Step 4: Simplify right side
    201,204,006.10x = 42,247,409,648,072,728
  5. Step 5: Solve for x
    x = 42,247,409,648,072,728/201,204,006.10
  6. Step 6: Final answer
    x = 209,973,004.35

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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.