Home / 208,469,576.08-287,688,353.96-115,650,086.16

Finding the Fourth Proportional to 208,469,576.08, 287,688,353.96 and 115,650,086.16

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Solution

The fourth proportional to 208,469,576.08, 287,688,353.96 and 115,650,086.16 is: 159,597,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,469,576.08 : 287,688,353.96 = 115,650,086.16 : x
  2. Step 2: Convert to fraction form
    208,469,576.08/287,688,353.96 = 115,650,086.16/x
  3. Step 3: Cross multiply
    208,469,576.08x = 287,688,353.96 × 115,650,086.16
  4. Step 4: Simplify right side
    208,469,576.08x = 33,271,182,922,702,572
  5. Step 5: Solve for x
    x = 33,271,182,922,702,572/208,469,576.08
  6. Step 6: Final answer
    x = 159,597,306.95

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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.