Home / 216,219,804.94-298,381,851.93-117,098,272.72

Finding the Fourth Proportional to 216,219,804.94, 298,381,851.93 and 117,098,272.72

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Solution

The fourth proportional to 216,219,804.94, 298,381,851.93 and 117,098,272.72 is: 161,594,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,219,804.94 : 298,381,851.93 = 117,098,272.72 : x
  2. Step 2: Convert to fraction form
    216,219,804.94/298,381,851.93 = 117,098,272.72/x
  3. Step 3: Cross multiply
    216,219,804.94x = 298,381,851.93 × 117,098,272.72
  4. Step 4: Simplify right side
    216,219,804.94x = 34,939,999,471,997,800
  5. Step 5: Solve for x
    x = 34,939,999,471,997,800/216,219,804.94
  6. Step 6: Final answer
    x = 161,594,815.43

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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.