Home / 189,177,660.91-261,072,919.29-119,537,632.27

Finding the Fourth Proportional to 189,177,660.91, 261,072,919.29 and 119,537,632.27

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Solution

The fourth proportional to 189,177,660.91, 261,072,919.29 and 119,537,632.27 is: 164,966,827.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,177,660.91 : 261,072,919.29 = 119,537,632.27 : x
  2. Step 2: Convert to fraction form
    189,177,660.91/261,072,919.29 = 119,537,632.27/x
  3. Step 3: Cross multiply
    189,177,660.91x = 261,072,919.29 × 119,537,632.27
  4. Step 4: Simplify right side
    189,177,660.91x = 31,208,038,621,743,408
  5. Step 5: Solve for x
    x = 31,208,038,621,743,408/189,177,660.91
  6. Step 6: Final answer
    x = 164,966,827.86

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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.