Home / 168,713,361.29-232,722,633.55-111,427,405.30

Finding the Fourth Proportional to 168,713,361.29, 232,722,633.55 and 111,427,405.30

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Solution

The fourth proportional to 168,713,361.29, 232,722,633.55 and 111,427,405.30 is: 153,702,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,713,361.29 : 232,722,633.55 = 111,427,405.30 : x
  2. Step 2: Convert to fraction form
    168,713,361.29/232,722,633.55 = 111,427,405.30/x
  3. Step 3: Cross multiply
    168,713,361.29x = 232,722,633.55 × 111,427,405.30
  4. Step 4: Simplify right side
    168,713,361.29x = 25,931,679,211,059,228
  5. Step 5: Solve for x
    x = 25,931,679,211,059,228/168,713,361.29
  6. Step 6: Final answer
    x = 153,702,581.78

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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.