Home / 210,662,369.37-316,118,388.88-117,367,429.57

Finding the Fourth Proportional to 210,662,369.37, 316,118,388.88 and 117,367,429.57

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Solution

The fourth proportional to 210,662,369.37, 316,118,388.88 and 117,367,429.57 is: 176,120,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,662,369.37 : 316,118,388.88 = 117,367,429.57 : x
  2. Step 2: Convert to fraction form
    210,662,369.37/316,118,388.88 = 117,367,429.57/x
  3. Step 3: Cross multiply
    210,662,369.37x = 316,118,388.88 × 117,367,429.57
  4. Step 4: Simplify right side
    210,662,369.37x = 37,102,002,740,487,840
  5. Step 5: Solve for x
    x = 37,102,002,740,487,840/210,662,369.37
  6. Step 6: Final answer
    x = 176,120,694.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.