Home / 78,797,015.38-118,267,247.74-41,939,848.63

Finding the Fourth Proportional to 78,797,015.38, 118,267,247.74 and 41,939,848.63

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Solution

The fourth proportional to 78,797,015.38, 118,267,247.74 and 41,939,848.63 is: 62,947,948.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,797,015.38 : 118,267,247.74 = 41,939,848.63 : x
  2. Step 2: Convert to fraction form
    78,797,015.38/118,267,247.74 = 41,939,848.63/x
  3. Step 3: Cross multiply
    78,797,015.38x = 118,267,247.74 × 41,939,848.63
  4. Step 4: Simplify right side
    78,797,015.38x = 4,960,110,468,102,310
  5. Step 5: Solve for x
    x = 4,960,110,468,102,310/78,797,015.38
  6. Step 6: Final answer
    x = 62,947,948.53

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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.