Home / 50,030,902.89-69,032,826.95-31,435,268.49

Finding the Fourth Proportional to 50,030,902.89, 69,032,826.95 and 31,435,268.49

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Solution

The fourth proportional to 50,030,902.89, 69,032,826.95 and 31,435,268.49 is: 43,374,501.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,030,902.89 : 69,032,826.95 = 31,435,268.49 : x
  2. Step 2: Convert to fraction form
    50,030,902.89/69,032,826.95 = 31,435,268.49/x
  3. Step 3: Cross multiply
    50,030,902.89x = 69,032,826.95 × 31,435,268.49
  4. Step 4: Simplify right side
    50,030,902.89x = 2,170,065,449,639,781.25
  5. Step 5: Solve for x
    x = 2,170,065,449,639,781.25/50,030,902.89
  6. Step 6: Final answer
    x = 43,374,501.04

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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.