Home / 290,921,230.20-436,885,730.10-154,872,334.20

Finding the Fourth Proportional to 290,921,230.20, 436,885,730.10 and 154,872,334.20

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Solution

The fourth proportional to 290,921,230.20, 436,885,730.10 and 154,872,334.20 is: 232,576,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,921,230.20 : 436,885,730.10 = 154,872,334.20 : x
  2. Step 2: Convert to fraction form
    290,921,230.20/436,885,730.10 = 154,872,334.20/x
  3. Step 3: Cross multiply
    290,921,230.20x = 436,885,730.10 × 154,872,334.20
  4. Step 4: Simplify right side
    290,921,230.20x = 67,661,512,799,258,200
  5. Step 5: Solve for x
    x = 67,661,512,799,258,200/290,921,230.20
  6. Step 6: Final answer
    x = 232,576,745.10

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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.