Home / 139,150,766.70-208,658,887.65-51,651,948.78

Finding the Fourth Proportional to 139,150,766.70, 208,658,887.65 and 51,651,948.78

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Solution

The fourth proportional to 139,150,766.70, 208,658,887.65 and 51,651,948.78 is: 77,452,955.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,150,766.70 : 208,658,887.65 = 51,651,948.78 : x
  2. Step 2: Convert to fraction form
    139,150,766.70/208,658,887.65 = 51,651,948.78/x
  3. Step 3: Cross multiply
    139,150,766.70x = 208,658,887.65 × 51,651,948.78
  4. Step 4: Simplify right side
    139,150,766.70x = 10,777,638,177,389,576
  5. Step 5: Solve for x
    x = 10,777,638,177,389,576/139,150,766.70
  6. Step 6: Final answer
    x = 77,452,955.76

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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.