Home / 115,490,007.86-173,178,324.51-57,130,257.38

Finding the Fourth Proportional to 115,490,007.86, 173,178,324.51 and 57,130,257.38

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Solution

The fourth proportional to 115,490,007.86, 173,178,324.51 and 57,130,257.38 is: 85,667,344.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,490,007.86 : 173,178,324.51 = 57,130,257.38 : x
  2. Step 2: Convert to fraction form
    115,490,007.86/173,178,324.51 = 57,130,257.38/x
  3. Step 3: Cross multiply
    115,490,007.86x = 173,178,324.51 × 57,130,257.38
  4. Step 4: Simplify right side
    115,490,007.86x = 9,893,722,251,893,462
  5. Step 5: Solve for x
    x = 9,893,722,251,893,462/115,490,007.86
  6. Step 6: Final answer
    x = 85,667,344.17

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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.