Home / 199,318,501.70-298,977,752.55-197,974,808.90

Finding the Fourth Proportional to 199,318,501.70, 298,977,752.55 and 197,974,808.90

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Solution

The fourth proportional to 199,318,501.70, 298,977,752.55 and 197,974,808.90 is: 296,962,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,318,501.70 : 298,977,752.55 = 197,974,808.90 : x
  2. Step 2: Convert to fraction form
    199,318,501.70/298,977,752.55 = 197,974,808.90/x
  3. Step 3: Cross multiply
    199,318,501.70x = 298,977,752.55 × 197,974,808.90
  4. Step 4: Simplify right side
    199,318,501.70x = 59,190,063,426,437,744
  5. Step 5: Solve for x
    x = 59,190,063,426,437,744/199,318,501.70
  6. Step 6: Final answer
    x = 296,962,213.35

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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.