Home / 289,634,664.30-434,451,996.45-167,190,657.90

Finding the Fourth Proportional to 289,634,664.30, 434,451,996.45 and 167,190,657.90

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Solution

The fourth proportional to 289,634,664.30, 434,451,996.45 and 167,190,657.90 is: 250,785,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,634,664.30 : 434,451,996.45 = 167,190,657.90 : x
  2. Step 2: Convert to fraction form
    289,634,664.30/434,451,996.45 = 167,190,657.90/x
  3. Step 3: Cross multiply
    289,634,664.30x = 434,451,996.45 × 167,190,657.90
  4. Step 4: Simplify right side
    289,634,664.30x = 72,636,315,112,443,968
  5. Step 5: Solve for x
    x = 72,636,315,112,443,968/289,634,664.30
  6. Step 6: Final answer
    x = 250,785,986.85

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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.