Home / 216,072,118.86-298,179,538.62-118,286,974.86

Finding the Fourth Proportional to 216,072,118.86, 298,179,538.62 and 118,286,974.86

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Solution

The fourth proportional to 216,072,118.86, 298,179,538.62 and 118,286,974.86 is: 163,236,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,072,118.86 : 298,179,538.62 = 118,286,974.86 : x
  2. Step 2: Convert to fraction form
    216,072,118.86/298,179,538.62 = 118,286,974.86/x
  3. Step 3: Cross multiply
    216,072,118.86x = 298,179,538.62 × 118,286,974.86
  4. Step 4: Simplify right side
    216,072,118.86x = 35,270,755,588,510,340
  5. Step 5: Solve for x
    x = 35,270,755,588,510,340/216,072,118.86
  6. Step 6: Final answer
    x = 163,236,033.30

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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.