Home / 50,266,478-69,373,369.80-30,431,176.40

Finding the Fourth Proportional to 50,266,478, 69,373,369.80 and 30,431,176.40

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Solution

The fourth proportional to 50,266,478, 69,373,369.80 and 30,431,176.40 is: 41,998,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,266,478 : 69,373,369.80 = 30,431,176.40 : x
  2. Step 2: Convert to fraction form
    50,266,478/69,373,369.80 = 30,431,176.40/x
  3. Step 3: Cross multiply
    50,266,478x = 69,373,369.80 × 30,431,176.40
  4. Step 4: Simplify right side
    50,266,478x = 2,111,113,253,846,232.50
  5. Step 5: Solve for x
    x = 2,111,113,253,846,232.50/50,266,478
  6. Step 6: Final answer
    x = 41,998,431.91

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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.