Home / 103,279,266.81-154,939,345.20-29,503,683.54

Finding the Fourth Proportional to 103,279,266.81, 154,939,345.20 and 29,503,683.54

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Solution

The fourth proportional to 103,279,266.81, 154,939,345.20 and 29,503,683.54 is: 44,261,365.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,279,266.81 : 154,939,345.20 = 29,503,683.54 : x
  2. Step 2: Convert to fraction form
    103,279,266.81/154,939,345.20 = 29,503,683.54/x
  3. Step 3: Cross multiply
    103,279,266.81x = 154,939,345.20 × 29,503,683.54
  4. Step 4: Simplify right side
    103,279,266.81x = 4,571,281,408,675,618
  5. Step 5: Solve for x
    x = 4,571,281,408,675,618/103,279,266.81
  6. Step 6: Final answer
    x = 44,261,365.81

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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.