Home / 216,219,744.32-298,381,768.40-117,098,212.10

Finding the Fourth Proportional to 216,219,744.32, 298,381,768.40 and 117,098,212.10

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Solution

The fourth proportional to 216,219,744.32, 298,381,768.40 and 117,098,212.10 is: 161,594,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,219,744.32 : 298,381,768.40 = 117,098,212.10 : x
  2. Step 2: Convert to fraction form
    216,219,744.32/298,381,768.40 = 117,098,212.10/x
  3. Step 3: Cross multiply
    216,219,744.32x = 298,381,768.40 × 117,098,212.10
  4. Step 4: Simplify right side
    216,219,744.32x = 34,939,971,601,677,112
  5. Step 5: Solve for x
    x = 34,939,971,601,677,112/216,219,744.32
  6. Step 6: Final answer
    x = 161,594,731.84

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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.