Home / 289,634,682.30-434,452,023.45-167,190,675.90

Finding the Fourth Proportional to 289,634,682.30, 434,452,023.45 and 167,190,675.90

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Solution

The fourth proportional to 289,634,682.30, 434,452,023.45 and 167,190,675.90 is: 250,786,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,634,682.30 : 434,452,023.45 = 167,190,675.90 : x
  2. Step 2: Convert to fraction form
    289,634,682.30/434,452,023.45 = 167,190,675.90/x
  3. Step 3: Cross multiply
    289,634,682.30x = 434,452,023.45 × 167,190,675.90
  4. Step 4: Simplify right side
    289,634,682.30x = 72,636,327,446,728,144
  5. Step 5: Solve for x
    x = 72,636,327,446,728,144/289,634,682.30
  6. Step 6: Final answer
    x = 250,786,013.85

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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.