Home / 55,066,632.03-75,988,830.92-30,619,821.15

Finding the Fourth Proportional to 55,066,632.03, 75,988,830.92 and 30,619,821.15

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Solution

The fourth proportional to 55,066,632.03, 75,988,830.92 and 30,619,821.15 is: 42,253,617.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,066,632.03 : 75,988,830.92 = 30,619,821.15 : x
  2. Step 2: Convert to fraction form
    55,066,632.03/75,988,830.92 = 30,619,821.15/x
  3. Step 3: Cross multiply
    55,066,632.03x = 75,988,830.92 × 30,619,821.15
  4. Step 4: Simplify right side
    55,066,632.03x = 2,326,764,412,014,891
  5. Step 5: Solve for x
    x = 2,326,764,412,014,891/55,066,632.03
  6. Step 6: Final answer
    x = 42,253,617.59

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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.