Home / 168,516,005.76-252,365,382.72-116,554,777.92

Finding the Fourth Proportional to 168,516,005.76, 252,365,382.72 and 116,554,777.92

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Solution

The fourth proportional to 168,516,005.76, 252,365,382.72 and 116,554,777.92 is: 174,549,539.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,516,005.76 : 252,365,382.72 = 116,554,777.92 : x
  2. Step 2: Convert to fraction form
    168,516,005.76/252,365,382.72 = 116,554,777.92/x
  3. Step 3: Cross multiply
    168,516,005.76x = 252,365,382.72 × 116,554,777.92
  4. Step 4: Simplify right side
    168,516,005.76x = 29,414,391,137,625,404
  5. Step 5: Solve for x
    x = 29,414,391,137,625,404/168,516,005.76
  6. Step 6: Final answer
    x = 174,549,539.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.