Home / 84,978,062,353.51-117,280,009,292.08-48,365,079,628.20

Finding the Fourth Proportional to 84,978,062,353.51, 117,280,009,292.08 and 48,365,079,628.20

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Solution

The fourth proportional to 84,978,062,353.51, 117,280,009,292.08 and 48,365,079,628.20 is: 66,749,662,573.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,978,062,353.51 : 117,280,009,292.08 = 48,365,079,628.20 : x
  2. Step 2: Convert to fraction form
    84,978,062,353.51/117,280,009,292.08 = 48,365,079,628.20/x
  3. Step 3: Cross multiply
    84,978,062,353.51x = 117,280,009,292.08 × 48,365,079,628.20
  4. Step 4: Simplify right side
    84,978,062,353.51x = 5,672,256,988,207,132,966,912
  5. Step 5: Solve for x
    x = 5,672,256,988,207,132,966,912/84,978,062,353.51
  6. Step 6: Final answer
    x = 66,749,662,573.04

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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.