Home / 50,343,398.40-69,479,223.04-30,775,742.40

Finding the Fourth Proportional to 50,343,398.40, 69,479,223.04 and 30,775,742.40

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Solution

The fourth proportional to 50,343,398.40, 69,479,223.04 and 30,775,742.40 is: 42,473,784.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,343,398.40 : 69,479,223.04 = 30,775,742.40 : x
  2. Step 2: Convert to fraction form
    50,343,398.40/69,479,223.04 = 30,775,742.40/x
  3. Step 3: Cross multiply
    50,343,398.40x = 69,479,223.04 × 30,775,742.40
  4. Step 4: Simplify right side
    50,343,398.40x = 2,138,274,670,431,185
  5. Step 5: Solve for x
    x = 2,138,274,670,431,185/50,343,398.40
  6. Step 6: Final answer
    x = 42,473,784.81

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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.