Home / 50,975,466.21-70,343,689.41-28,946,055.78

Finding the Fourth Proportional to 50,975,466.21, 70,343,689.41 and 28,946,055.78

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Solution

The fourth proportional to 50,975,466.21, 70,343,689.41 and 28,946,055.78 is: 39,944,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,975,466.21 : 70,343,689.41 = 28,946,055.78 : x
  2. Step 2: Convert to fraction form
    50,975,466.21/70,343,689.41 = 28,946,055.78/x
  3. Step 3: Cross multiply
    50,975,466.21x = 70,343,689.41 × 28,946,055.78
  4. Step 4: Simplify right side
    50,975,466.21x = 2,036,172,357,432,855.25
  5. Step 5: Solve for x
    x = 2,036,172,357,432,855.25/50,975,466.21
  6. Step 6: Final answer
    x = 39,944,163.51

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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.