Home / 51,786,515.63-71,465,039.51-28,581,641.91

Finding the Fourth Proportional to 51,786,515.63, 71,465,039.51 and 28,581,641.91

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Solution

The fourth proportional to 51,786,515.63, 71,465,039.51 and 28,581,641.91 is: 39,442,471.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,786,515.63 : 71,465,039.51 = 28,581,641.91 : x
  2. Step 2: Convert to fraction form
    51,786,515.63/71,465,039.51 = 28,581,641.91/x
  3. Step 3: Cross multiply
    51,786,515.63x = 71,465,039.51 × 28,581,641.91
  4. Step 4: Simplify right side
    51,786,515.63x = 2,042,588,168,215,913.50
  5. Step 5: Solve for x
    x = 2,042,588,168,215,913.50/51,786,515.63
  6. Step 6: Final answer
    x = 39,442,471.53

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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.