Home / 78,903,771,995.82-118,375,392,173.58-23,006,259,567.42

Finding the Fourth Proportional to 78,903,771,995.82, 118,375,392,173.58 and 23,006,259,567.42

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Solution

The fourth proportional to 78,903,771,995.82, 118,375,392,173.58 and 23,006,259,567.42 is: 34,515,143,317.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,903,771,995.82 : 118,375,392,173.58 = 23,006,259,567.42 : x
  2. Step 2: Convert to fraction form
    78,903,771,995.82/118,375,392,173.58 = 23,006,259,567.42/x
  3. Step 3: Cross multiply
    78,903,771,995.82x = 118,375,392,173.58 × 23,006,259,567.42
  4. Step 4: Simplify right side
    78,903,771,995.82x = 2,723,374,998,740,519,092,224
  5. Step 5: Solve for x
    x = 2,723,374,998,740,519,092,224/78,903,771,995.82
  6. Step 6: Final answer
    x = 34,515,143,317.67

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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.