Home / 85,718,707.82-118,301,629.96-48,052,045.15

Finding the Fourth Proportional to 85,718,707.82, 118,301,629.96 and 48,052,045.15

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Solution

The fourth proportional to 85,718,707.82, 118,301,629.96 and 48,052,045.15 is: 66,317,323.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,718,707.82 : 118,301,629.96 = 48,052,045.15 : x
  2. Step 2: Convert to fraction form
    85,718,707.82/118,301,629.96 = 48,052,045.15/x
  3. Step 3: Cross multiply
    85,718,707.82x = 118,301,629.96 × 48,052,045.15
  4. Step 4: Simplify right side
    85,718,707.82x = 5,684,635,264,156,512
  5. Step 5: Solve for x
    x = 5,684,635,264,156,512/85,718,707.82
  6. Step 6: Final answer
    x = 66,317,323.36

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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.