Home / 82,579,681.37-113,967,222.42-45,416,509.77

Finding the Fourth Proportional to 82,579,681.37, 113,967,222.42 and 45,416,509.77

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Solution

The fourth proportional to 82,579,681.37, 113,967,222.42 and 45,416,509.77 is: 62,678,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,579,681.37 : 113,967,222.42 = 45,416,509.77 : x
  2. Step 2: Convert to fraction form
    82,579,681.37/113,967,222.42 = 45,416,509.77/x
  3. Step 3: Cross multiply
    82,579,681.37x = 113,967,222.42 × 45,416,509.77
  4. Step 4: Simplify right side
    82,579,681.37x = 5,175,993,470,497,693
  5. Step 5: Solve for x
    x = 5,175,993,470,497,693/82,579,681.37
  6. Step 6: Final answer
    x = 62,678,777.45

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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.