Home / 50,103,465.98-69,144,485.02-47,807,640.86

Finding the Fourth Proportional to 50,103,465.98, 69,144,485.02 and 47,807,640.86

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Solution

The fourth proportional to 50,103,465.98, 69,144,485.02 and 47,807,640.86 is: 65,976,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,103,465.98 : 69,144,485.02 = 47,807,640.86 : x
  2. Step 2: Convert to fraction form
    50,103,465.98/69,144,485.02 = 47,807,640.86/x
  3. Step 3: Cross multiply
    50,103,465.98x = 69,144,485.02 × 47,807,640.86
  4. Step 4: Simplify right side
    50,103,465.98x = 3,305,634,706,820,568
  5. Step 5: Solve for x
    x = 3,305,634,706,820,568/50,103,465.98
  6. Step 6: Final answer
    x = 65,976,168.36

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1.5x scale

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.