Home / 86,455,390.59-119,295,415.53-49,288,900.23

Finding the Fourth Proportional to 86,455,390.59, 119,295,415.53 and 49,288,900.23

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Solution

The fourth proportional to 86,455,390.59, 119,295,415.53 and 49,288,900.23 is: 68,011,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,455,390.59 : 119,295,415.53 = 49,288,900.23 : x
  2. Step 2: Convert to fraction form
    86,455,390.59/119,295,415.53 = 49,288,900.23/x
  3. Step 3: Cross multiply
    86,455,390.59x = 119,295,415.53 × 49,288,900.23
  4. Step 4: Simplify right side
    86,455,390.59x = 5,879,939,833,954,562
  5. Step 5: Solve for x
    x = 5,879,939,833,954,562/86,455,390.59
  6. Step 6: Final answer
    x = 68,011,257.53

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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.