Home / 189,846,686.04-262,029,404.27-115,531,190.38

Finding the Fourth Proportional to 189,846,686.04, 262,029,404.27 and 115,531,190.38

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Solution

The fourth proportional to 189,846,686.04, 262,029,404.27 and 115,531,190.38 is: 159,457,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,846,686.04 : 262,029,404.27 = 115,531,190.38 : x
  2. Step 2: Convert to fraction form
    189,846,686.04/262,029,404.27 = 115,531,190.38/x
  3. Step 3: Cross multiply
    189,846,686.04x = 262,029,404.27 × 115,531,190.38
  4. Step 4: Simplify right side
    189,846,686.04x = 30,272,568,989,875,356
  5. Step 5: Solve for x
    x = 30,272,568,989,875,356/189,846,686.04
  6. Step 6: Final answer
    x = 159,457,979.60

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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.