Home / 215,984,823.10-323,977,234.65-172,938,102.10

Finding the Fourth Proportional to 215,984,823.10, 323,977,234.65 and 172,938,102.10

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Solution

The fourth proportional to 215,984,823.10, 323,977,234.65 and 172,938,102.10 is: 259,407,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,984,823.10 : 323,977,234.65 = 172,938,102.10 : x
  2. Step 2: Convert to fraction form
    215,984,823.10/323,977,234.65 = 172,938,102.10/x
  3. Step 3: Cross multiply
    215,984,823.10x = 323,977,234.65 × 172,938,102.10
  4. Step 4: Simplify right side
    215,984,823.10x = 56,028,008,083,977,352
  5. Step 5: Solve for x
    x = 56,028,008,083,977,352/215,984,823.10
  6. Step 6: Final answer
    x = 259,407,153.15

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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.