Home / 82,378,054.77-113,679,154.65-45,207,379.50

Finding the Fourth Proportional to 82,378,054.77, 113,679,154.65 and 45,207,379.50

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Solution

The fourth proportional to 82,378,054.77, 113,679,154.65 and 45,207,379.50 is: 62,384,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,378,054.77 : 113,679,154.65 = 45,207,379.50 : x
  2. Step 2: Convert to fraction form
    82,378,054.77/113,679,154.65 = 45,207,379.50/x
  3. Step 3: Cross multiply
    82,378,054.77x = 113,679,154.65 × 45,207,379.50
  4. Step 4: Simplify right side
    82,378,054.77x = 5,139,136,685,244,971
  5. Step 5: Solve for x
    x = 5,139,136,685,244,971/82,378,054.77
  6. Step 6: Final answer
    x = 62,384,778.32

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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.