Home / 78,903,771,980.82-118,375,392,151.08-23,006,259,552.39

Finding the Fourth Proportional to 78,903,771,980.82, 118,375,392,151.08 and 23,006,259,552.39

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Solution

The fourth proportional to 78,903,771,980.82, 118,375,392,151.08 and 23,006,259,552.39 is: 34,515,143,295.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,903,771,980.82 : 118,375,392,151.08 = 23,006,259,552.39 : x
  2. Step 2: Convert to fraction form
    78,903,771,980.82/118,375,392,151.08 = 23,006,259,552.39/x
  3. Step 3: Cross multiply
    78,903,771,980.82x = 118,375,392,151.08 × 23,006,259,552.39
  4. Step 4: Simplify right side
    78,903,771,980.82x = 2,723,374,996,443,696,201,728
  5. Step 5: Solve for x
    x = 2,723,374,996,443,696,201,728/78,903,771,980.82
  6. Step 6: Final answer
    x = 34,515,143,295.12

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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.