Home / 124,647,407.66-172,022,323.74-68,891,629.88

Finding the Fourth Proportional to 124,647,407.66, 172,022,323.74 and 68,891,629.88

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Solution

The fourth proportional to 124,647,407.66, 172,022,323.74 and 68,891,629.88 is: 95,075,368.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,647,407.66 : 172,022,323.74 = 68,891,629.88 : x
  2. Step 2: Convert to fraction form
    124,647,407.66/172,022,323.74 = 68,891,629.88/x
  3. Step 3: Cross multiply
    124,647,407.66x = 172,022,323.74 × 68,891,629.88
  4. Step 4: Simplify right side
    124,647,407.66x = 11,850,898,258,193,618
  5. Step 5: Solve for x
    x = 11,850,898,258,193,618/124,647,407.66
  6. Step 6: Final answer
    x = 95,075,368.84

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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.