Home / 319,396,521.12-479,133,028.67-98,038,866.27

Finding the Fourth Proportional to 319,396,521.12, 479,133,028.67 and 98,038,866.27

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Solution

The fourth proportional to 319,396,521.12, 479,133,028.67 and 98,038,866.27 is: 147,070,039.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,396,521.12 : 479,133,028.67 = 98,038,866.27 : x
  2. Step 2: Convert to fraction form
    319,396,521.12/479,133,028.67 = 98,038,866.27/x
  3. Step 3: Cross multiply
    319,396,521.12x = 479,133,028.67 × 98,038,866.27
  4. Step 4: Simplify right side
    319,396,521.12x = 46,973,658,923,318,208
  5. Step 5: Solve for x
    x = 46,973,658,923,318,208/319,396,521.12
  6. Step 6: Final answer
    x = 147,070,039.33

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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.