Home / 103,958,820.09-143,464,305.47-57,549,849.03

Finding the Fourth Proportional to 103,958,820.09, 143,464,305.47 and 57,549,849.03

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Solution

The fourth proportional to 103,958,820.09, 143,464,305.47 and 57,549,849.03 is: 79,419,419.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,958,820.09 : 143,464,305.47 = 57,549,849.03 : x
  2. Step 2: Convert to fraction form
    103,958,820.09/143,464,305.47 = 57,549,849.03/x
  3. Step 3: Cross multiply
    103,958,820.09x = 143,464,305.47 × 57,549,849.03
  4. Step 4: Simplify right side
    103,958,820.09x = 8,256,349,120,704,554
  5. Step 5: Solve for x
    x = 8,256,349,120,704,554/103,958,820.09
  6. Step 6: Final answer
    x = 79,419,419.28

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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.