Home / 215,347,033.76-297,177,394.93-117,561,889.76

Finding the Fourth Proportional to 215,347,033.76, 297,177,394.93 and 117,561,889.76

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Solution

The fourth proportional to 215,347,033.76, 297,177,394.93 and 117,561,889.76 is: 162,234,582.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,347,033.76 : 297,177,394.93 = 117,561,889.76 : x
  2. Step 2: Convert to fraction form
    215,347,033.76/297,177,394.93 = 117,561,889.76/x
  3. Step 3: Cross multiply
    215,347,033.76x = 297,177,394.93 × 117,561,889.76
  4. Step 4: Simplify right side
    215,347,033.76x = 34,936,736,140,144,852
  5. Step 5: Solve for x
    x = 34,936,736,140,144,852/215,347,033.76
  6. Step 6: Final answer
    x = 162,234,582.62

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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.