Home / 84,978,062,454.18-117,280,009,431.09-48,365,079,728.70

Finding the Fourth Proportional to 84,978,062,454.18, 117,280,009,431.09 and 48,365,079,728.70

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Solution

The fourth proportional to 84,978,062,454.18, 117,280,009,431.09 and 48,365,079,728.70 is: 66,749,662,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,978,062,454.18 : 117,280,009,431.09 = 48,365,079,728.70 : x
  2. Step 2: Convert to fraction form
    84,978,062,454.18/117,280,009,431.09 = 48,365,079,728.70/x
  3. Step 3: Cross multiply
    84,978,062,454.18x = 117,280,009,431.09 × 48,365,079,728.70
  4. Step 4: Simplify right side
    84,978,062,454.18x = 5,672,257,006,717,355,687,936
  5. Step 5: Solve for x
    x = 5,672,257,006,717,355,687,936/84,978,062,454.18
  6. Step 6: Final answer
    x = 66,749,662,711.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.