Home / 191,796,366.60-287,269,397.10-115,268,862.60

Finding the Fourth Proportional to 191,796,366.60, 287,269,397.10 and 115,268,862.60

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Solution

The fourth proportional to 191,796,366.60, 287,269,397.10 and 115,268,862.60 is: 172,647,778.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,796,366.60 : 287,269,397.10 = 115,268,862.60 : x
  2. Step 2: Convert to fraction form
    191,796,366.60/287,269,397.10 = 115,268,862.60/x
  3. Step 3: Cross multiply
    191,796,366.60x = 287,269,397.10 × 115,268,862.60
  4. Step 4: Simplify right side
    191,796,366.60x = 33,113,216,663,504,740
  5. Step 5: Solve for x
    x = 33,113,216,663,504,740/191,796,366.60
  6. Step 6: Final answer
    x = 172,647,778.74

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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.