Home / 82,678,120.26-114,094,900.53-45,507,605.82

Finding the Fourth Proportional to 82,678,120.26, 114,094,900.53 and 45,507,605.82

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Solution

The fourth proportional to 82,678,120.26, 114,094,900.53 and 45,507,605.82 is: 62,799,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,678,120.26 : 114,094,900.53 = 45,507,605.82 : x
  2. Step 2: Convert to fraction form
    82,678,120.26/114,094,900.53 = 45,507,605.82/x
  3. Step 3: Cross multiply
    82,678,120.26x = 114,094,900.53 × 45,507,605.82
  4. Step 4: Simplify right side
    82,678,120.26x = 5,192,185,759,391,349
  5. Step 5: Solve for x
    x = 5,192,185,759,391,349/82,678,120.26
  6. Step 6: Final answer
    x = 62,799,997.67

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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.