Home / 74,983,716.69-103,432,282.34-49,523,291.80

Finding the Fourth Proportional to 74,983,716.69, 103,432,282.34 and 49,523,291.80

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Solution

The fourth proportional to 74,983,716.69, 103,432,282.34 and 49,523,291.80 is: 68,312,259.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,983,716.69 : 103,432,282.34 = 49,523,291.80 : x
  2. Step 2: Convert to fraction form
    74,983,716.69/103,432,282.34 = 49,523,291.80/x
  3. Step 3: Cross multiply
    74,983,716.69x = 103,432,282.34 × 49,523,291.80
  4. Step 4: Simplify right side
    74,983,716.69x = 5,122,307,099,863,807
  5. Step 5: Solve for x
    x = 5,122,307,099,863,807/74,983,716.69
  6. Step 6: Final answer
    x = 68,312,259.33

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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.