Home / 49,178,356.88-67,803,048.14-40,325,189.72

Finding the Fourth Proportional to 49,178,356.88, 67,803,048.14 and 40,325,189.72

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Solution

The fourth proportional to 49,178,356.88, 67,803,048.14 and 40,325,189.72 is: 55,597,034.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,178,356.88 : 67,803,048.14 = 40,325,189.72 : x
  2. Step 2: Convert to fraction form
    49,178,356.88/67,803,048.14 = 40,325,189.72/x
  3. Step 3: Cross multiply
    49,178,356.88x = 67,803,048.14 × 40,325,189.72
  4. Step 4: Simplify right side
    49,178,356.88x = 2,734,170,779,839,793
  5. Step 5: Solve for x
    x = 2,734,170,779,839,793/49,178,356.88
  6. Step 6: Final answer
    x = 55,597,034.01

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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.