Home / 191,734,040.97-287,613,168.66-81,049,071.60

Finding the Fourth Proportional to 191,734,040.97, 287,613,168.66 and 81,049,071.60

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Solution

The fourth proportional to 191,734,040.97, 287,613,168.66 and 81,049,071.60 is: 121,578,725.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,734,040.97 : 287,613,168.66 = 81,049,071.60 : x
  2. Step 2: Convert to fraction form
    191,734,040.97/287,613,168.66 = 81,049,071.60/x
  3. Step 3: Cross multiply
    191,734,040.97x = 287,613,168.66 × 81,049,071.60
  4. Step 4: Simplify right side
    191,734,040.97x = 23,310,780,299,827,216
  5. Step 5: Solve for x
    x = 23,310,780,299,827,216/191,734,040.97
  6. Step 6: Final answer
    x = 121,578,725.31

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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.