Home / 189,846,685.04-262,029,402.89-115,531,189.38

Finding the Fourth Proportional to 189,846,685.04, 262,029,402.89 and 115,531,189.38

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Solution

The fourth proportional to 189,846,685.04, 262,029,402.89 and 115,531,189.38 is: 159,457,978.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,846,685.04 : 262,029,402.89 = 115,531,189.38 : x
  2. Step 2: Convert to fraction form
    189,846,685.04/262,029,402.89 = 115,531,189.38/x
  3. Step 3: Cross multiply
    189,846,685.04x = 262,029,402.89 × 115,531,189.38
  4. Step 4: Simplify right side
    189,846,685.04x = 30,272,568,567,835,252
  5. Step 5: Solve for x
    x = 30,272,568,567,835,252/189,846,685.04
  6. Step 6: Final answer
    x = 159,457,978.22

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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.