Home / 84,978,062,386.89-117,280,009,338.15-48,365,079,661.56

Finding the Fourth Proportional to 84,978,062,386.89, 117,280,009,338.15 and 48,365,079,661.56

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Solution

The fourth proportional to 84,978,062,386.89, 117,280,009,338.15 and 48,365,079,661.56 is: 66,749,662,619.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,978,062,386.89 : 117,280,009,338.15 = 48,365,079,661.56 : x
  2. Step 2: Convert to fraction form
    84,978,062,386.89/117,280,009,338.15 = 48,365,079,661.56/x
  3. Step 3: Cross multiply
    84,978,062,386.89x = 117,280,009,338.15 × 48,365,079,661.56
  4. Step 4: Simplify right side
    84,978,062,386.89x = 5,672,256,994,348,124,602,368
  5. Step 5: Solve for x
    x = 5,672,256,994,348,124,602,368/84,978,062,386.89
  6. Step 6: Final answer
    x = 66,749,662,619.08

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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.