Home / 71,908,297.24-99,243,173.44-40,552,794.40

Finding the Fourth Proportional to 71,908,297.24, 99,243,173.44 and 40,552,794.40

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Solution

The fourth proportional to 71,908,297.24, 99,243,173.44 and 40,552,794.40 is: 55,968,339.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,908,297.24 : 99,243,173.44 = 40,552,794.40 : x
  2. Step 2: Convert to fraction form
    71,908,297.24/99,243,173.44 = 40,552,794.40/x
  3. Step 3: Cross multiply
    71,908,297.24x = 99,243,173.44 × 40,552,794.40
  4. Step 4: Simplify right side
    71,908,297.24x = 4,024,588,008,115,860.50
  5. Step 5: Solve for x
    x = 4,024,588,008,115,860.50/71,908,297.24
  6. Step 6: Final answer
    x = 55,968,339.71

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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.