Home / 195,612,730.38-269,939,859.66-111,978,088.74

Finding the Fourth Proportional to 195,612,730.38, 269,939,859.66 and 111,978,088.74

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Solution

The fourth proportional to 195,612,730.38, 269,939,859.66 and 111,978,088.74 is: 154,526,494.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,612,730.38 : 269,939,859.66 = 111,978,088.74 : x
  2. Step 2: Convert to fraction form
    195,612,730.38/269,939,859.66 = 111,978,088.74/x
  3. Step 3: Cross multiply
    195,612,730.38x = 269,939,859.66 × 111,978,088.74
  4. Step 4: Simplify right side
    195,612,730.38x = 30,227,349,559,470,628
  5. Step 5: Solve for x
    x = 30,227,349,559,470,628/195,612,730.38
  6. Step 6: Final answer
    x = 154,526,494.78

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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.