Home / 261,019,463.40-360,198,614.70-143,544,430.35

Finding the Fourth Proportional to 261,019,463.40, 360,198,614.70 and 143,544,430.35

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Solution

The fourth proportional to 261,019,463.40, 360,198,614.70 and 143,544,430.35 is: 198,086,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,019,463.40 : 360,198,614.70 = 143,544,430.35 : x
  2. Step 2: Convert to fraction form
    261,019,463.40/360,198,614.70 = 143,544,430.35/x
  3. Step 3: Cross multiply
    261,019,463.40x = 360,198,614.70 × 143,544,430.35
  4. Step 4: Simplify right side
    261,019,463.40x = 51,704,504,959,970,632
  5. Step 5: Solve for x
    x = 51,704,504,959,970,632/261,019,463.40
  6. Step 6: Final answer
    x = 198,086,779.76

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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.