Home / 191,646,513.12-287,469,636.64-46,080,026.40

Finding the Fourth Proportional to 191,646,513.12, 287,469,636.64 and 46,080,026.40

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Solution

The fourth proportional to 191,646,513.12, 287,469,636.64 and 46,080,026.40 is: 69,120,007.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,646,513.12 : 287,469,636.64 = 46,080,026.40 : x
  2. Step 2: Convert to fraction form
    191,646,513.12/287,469,636.64 = 46,080,026.40/x
  3. Step 3: Cross multiply
    191,646,513.12x = 287,469,636.64 × 46,080,026.40
  4. Step 4: Simplify right side
    191,646,513.12x = 13,246,608,445,569,606
  5. Step 5: Solve for x
    x = 13,246,608,445,569,606/191,646,513.12
  6. Step 6: Final answer
    x = 69,120,007.61

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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.