Home / 46,469,968.80-69,704,953.20-42,754,077.60

Finding the Fourth Proportional to 46,469,968.80, 69,704,953.20 and 42,754,077.60

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Solution

The fourth proportional to 46,469,968.80, 69,704,953.20 and 42,754,077.60 is: 64,131,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,469,968.80 : 69,704,953.20 = 42,754,077.60 : x
  2. Step 2: Convert to fraction form
    46,469,968.80/69,704,953.20 = 42,754,077.60/x
  3. Step 3: Cross multiply
    46,469,968.80x = 69,704,953.20 × 42,754,077.60
  4. Step 4: Simplify right side
    46,469,968.80x = 2,980,170,978,217,168.50
  5. Step 5: Solve for x
    x = 2,980,170,978,217,168.50/46,469,968.80
  6. Step 6: Final answer
    x = 64,131,116.40

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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.