Home / 78,262,174.40-117,409,850.40-23,670,276.80

Finding the Fourth Proportional to 78,262,174.40, 117,409,850.40 and 23,670,276.80

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Solution

The fourth proportional to 78,262,174.40, 117,409,850.40 and 23,670,276.80 is: 35,510,432.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,262,174.40 : 117,409,850.40 = 23,670,276.80 : x
  2. Step 2: Convert to fraction form
    78,262,174.40/117,409,850.40 = 23,670,276.80/x
  3. Step 3: Cross multiply
    78,262,174.40x = 117,409,850.40 × 23,670,276.80
  4. Step 4: Simplify right side
    78,262,174.40x = 2,779,123,658,014,591
  5. Step 5: Solve for x
    x = 2,779,123,658,014,591/78,262,174.40
  6. Step 6: Final answer
    x = 35,510,432.46

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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.