Home / 56,942,588.85-78,580,361.88-30,836,501.07

Finding the Fourth Proportional to 56,942,588.85, 78,580,361.88 and 30,836,501.07

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Solution

The fourth proportional to 56,942,588.85, 78,580,361.88 and 30,836,501.07 is: 42,554,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,942,588.85 : 78,580,361.88 = 30,836,501.07 : x
  2. Step 2: Convert to fraction form
    56,942,588.85/78,580,361.88 = 30,836,501.07/x
  3. Step 3: Cross multiply
    56,942,588.85x = 78,580,361.88 × 30,836,501.07
  4. Step 4: Simplify right side
    56,942,588.85x = 2,423,143,413,193,607
  5. Step 5: Solve for x
    x = 2,423,143,413,193,607/56,942,588.85
  6. Step 6: Final answer
    x = 42,554,149.05

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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.