Home / 54,837,814.91-81,766,457.80-53,331,179.67

Finding the Fourth Proportional to 54,837,814.91, 81,766,457.80 and 53,331,179.67

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Solution

The fourth proportional to 54,837,814.91, 81,766,457.80 and 53,331,179.67 is: 79,519,974.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,837,814.91 : 81,766,457.80 = 53,331,179.67 : x
  2. Step 2: Convert to fraction form
    54,837,814.91/81,766,457.80 = 53,331,179.67/x
  3. Step 3: Cross multiply
    54,837,814.91x = 81,766,457.80 × 53,331,179.67
  4. Step 4: Simplify right side
    54,837,814.91x = 4,360,701,651,777,945
  5. Step 5: Solve for x
    x = 4,360,701,651,777,945/54,837,814.91
  6. Step 6: Final answer
    x = 79,519,974.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.