Home / 298,201,850.10-447,302,775.15-79,885,887.30

Finding the Fourth Proportional to 298,201,850.10, 447,302,775.15 and 79,885,887.30

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Solution

The fourth proportional to 298,201,850.10, 447,302,775.15 and 79,885,887.30 is: 119,828,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,201,850.10 : 447,302,775.15 = 79,885,887.30 : x
  2. Step 2: Convert to fraction form
    298,201,850.10/447,302,775.15 = 79,885,887.30/x
  3. Step 3: Cross multiply
    298,201,850.10x = 447,302,775.15 × 79,885,887.30
  4. Step 4: Simplify right side
    298,201,850.10x = 35,733,179,084,610,136
  5. Step 5: Solve for x
    x = 35,733,179,084,610,136/298,201,850.10
  6. Step 6: Final answer
    x = 119,828,830.95

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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.