Home / 86,716,374.12-119,670,793.38-47,559,709.80

Finding the Fourth Proportional to 86,716,374.12, 119,670,793.38 and 47,559,709.80

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Solution

The fourth proportional to 86,716,374.12, 119,670,793.38 and 47,559,709.80 is: 65,633,604.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,716,374.12 : 119,670,793.38 = 47,559,709.80 : x
  2. Step 2: Convert to fraction form
    86,716,374.12/119,670,793.38 = 47,559,709.80/x
  3. Step 3: Cross multiply
    86,716,374.12x = 119,670,793.38 × 47,559,709.80
  4. Step 4: Simplify right side
    86,716,374.12x = 5,691,508,204,688,561
  5. Step 5: Solve for x
    x = 5,691,508,204,688,561/86,716,374.12
  6. Step 6: Final answer
    x = 65,633,604.52

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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.