Home / 199,318,502.20-298,977,753.30-197,974,809.40

Finding the Fourth Proportional to 199,318,502.20, 298,977,753.30 and 197,974,809.40

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Solution

The fourth proportional to 199,318,502.20, 298,977,753.30 and 197,974,809.40 is: 296,962,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,318,502.20 : 298,977,753.30 = 197,974,809.40 : x
  2. Step 2: Convert to fraction form
    199,318,502.20/298,977,753.30 = 197,974,809.40/x
  3. Step 3: Cross multiply
    199,318,502.20x = 298,977,753.30 × 197,974,809.40
  4. Step 4: Simplify right side
    199,318,502.20x = 59,190,063,724,407,728
  5. Step 5: Solve for x
    x = 59,190,063,724,407,728/199,318,502.20
  6. Step 6: Final answer
    x = 296,962,214.10

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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.