Home / 86,935,467.69-119,973,821.67-47,778,632.37

Finding the Fourth Proportional to 86,935,467.69, 119,973,821.67 and 47,778,632.37

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Solution

The fourth proportional to 86,935,467.69, 119,973,821.67 and 47,778,632.37 is: 65,936,093.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,935,467.69 : 119,973,821.67 = 47,778,632.37 : x
  2. Step 2: Convert to fraction form
    86,935,467.69/119,973,821.67 = 47,778,632.37/x
  3. Step 3: Cross multiply
    86,935,467.69x = 119,973,821.67 × 47,778,632.37
  4. Step 4: Simplify right side
    86,935,467.69x = 5,732,185,119,594,869
  5. Step 5: Solve for x
    x = 5,732,185,119,594,869/86,935,467.69
  6. Step 6: Final answer
    x = 65,936,093.43

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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.