Home / 216,219,750.82-298,381,777.35-117,098,218.60

Finding the Fourth Proportional to 216,219,750.82, 298,381,777.35 and 117,098,218.60

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Solution

The fourth proportional to 216,219,750.82, 298,381,777.35 and 117,098,218.60 is: 161,594,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,219,750.82 : 298,381,777.35 = 117,098,218.60 : x
  2. Step 2: Convert to fraction form
    216,219,750.82/298,381,777.35 = 117,098,218.60/x
  3. Step 3: Cross multiply
    216,219,750.82x = 298,381,777.35 × 117,098,218.60
  4. Step 4: Simplify right side
    216,219,750.82x = 34,939,974,590,386,828
  5. Step 5: Solve for x
    x = 34,939,974,590,386,828/216,219,750.82
  6. Step 6: Final answer
    x = 161,594,740.80

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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.