Home / 49,429,643.20-74,144,464.80-15,354,433.60

Finding the Fourth Proportional to 49,429,643.20, 74,144,464.80 and 15,354,433.60

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Solution

The fourth proportional to 49,429,643.20, 74,144,464.80 and 15,354,433.60 is: 23,031,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,429,643.20 : 74,144,464.80 = 15,354,433.60 : x
  2. Step 2: Convert to fraction form
    49,429,643.20/74,144,464.80 = 15,354,433.60/x
  3. Step 3: Cross multiply
    49,429,643.20x = 74,144,464.80 × 15,354,433.60
  4. Step 4: Simplify right side
    49,429,643.20x = 1,138,446,261,579,137.25
  5. Step 5: Solve for x
    x = 1,138,446,261,579,137.25/49,429,643.20
  6. Step 6: Final answer
    x = 23,031,650.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.