Home / 121,095,139.24-181,484,992.38-49,207,513

Finding the Fourth Proportional to 121,095,139.24, 181,484,992.38 and 49,207,513

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Solution

The fourth proportional to 121,095,139.24, 181,484,992.38 and 49,207,513 is: 73,747,180.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,095,139.24 : 181,484,992.38 = 49,207,513 : x
  2. Step 2: Convert to fraction form
    121,095,139.24/181,484,992.38 = 49,207,513/x
  3. Step 3: Cross multiply
    121,095,139.24x = 181,484,992.38 × 49,207,513
  4. Step 4: Simplify right side
    121,095,139.24x = 8,930,425,121,843,751
  5. Step 5: Solve for x
    x = 8,930,425,121,843,751/121,095,139.24
  6. Step 6: Final answer
    x = 73,747,180.75

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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.