Home / 55,341,080.43-76,369,893.82-30,562,315.75

Finding the Fourth Proportional to 55,341,080.43, 76,369,893.82 and 30,562,315.75

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Solution

The fourth proportional to 55,341,080.43, 76,369,893.82 and 30,562,315.75 is: 42,175,555.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,341,080.43 : 76,369,893.82 = 30,562,315.75 : x
  2. Step 2: Convert to fraction form
    55,341,080.43/76,369,893.82 = 30,562,315.75/x
  3. Step 3: Cross multiply
    55,341,080.43x = 76,369,893.82 × 30,562,315.75
  4. Step 4: Simplify right side
    55,341,080.43x = 2,334,040,808,720,813.50
  5. Step 5: Solve for x
    x = 2,334,040,808,720,813.50/55,341,080.43
  6. Step 6: Final answer
    x = 42,175,555.49

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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.