Home / 261,015,445.26-360,194,131.62-143,540,775.51

Finding the Fourth Proportional to 261,015,445.26, 360,194,131.62 and 143,540,775.51

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Solution

The fourth proportional to 261,015,445.26, 360,194,131.62 and 143,540,775.51 is: 198,082,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,015,445.26 : 360,194,131.62 = 143,540,775.51 : x
  2. Step 2: Convert to fraction form
    261,015,445.26/360,194,131.62 = 143,540,775.51/x
  3. Step 3: Cross multiply
    261,015,445.26x = 360,194,131.62 × 143,540,775.51
  4. Step 4: Simplify right side
    261,015,445.26x = 51,702,544,986,885,808
  5. Step 5: Solve for x
    x = 51,702,544,986,885,808/261,015,445.26
  6. Step 6: Final answer
    x = 198,082,320.13

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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.