Home / 70,391,729,010.96-97,142,427,094.32-38,278,969,316.64

Finding the Fourth Proportional to 70,391,729,010.96, 97,142,427,094.32 and 38,278,969,316.64

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Solution

The fourth proportional to 70,391,729,010.96, 97,142,427,094.32 and 38,278,969,316.64 is: 52,825,978,823.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,391,729,010.96 : 97,142,427,094.32 = 38,278,969,316.64 : x
  2. Step 2: Convert to fraction form
    70,391,729,010.96/97,142,427,094.32 = 38,278,969,316.64/x
  3. Step 3: Cross multiply
    70,391,729,010.96x = 97,142,427,094.32 × 38,278,969,316.64
  4. Step 4: Simplify right side
    70,391,729,010.96x = 3,718,511,986,087,413,940,224
  5. Step 5: Solve for x
    x = 3,718,511,986,087,413,940,224/70,391,729,010.96
  6. Step 6: Final answer
    x = 52,825,978,823.57

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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.