Home / 84,008,102.40-125,760,211.20-49,911,897.60

Finding the Fourth Proportional to 84,008,102.40, 125,760,211.20 and 49,911,897.60

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Solution

The fourth proportional to 84,008,102.40, 125,760,211.20 and 49,911,897.60 is: 74,718,159.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,008,102.40 : 125,760,211.20 = 49,911,897.60 : x
  2. Step 2: Convert to fraction form
    84,008,102.40/125,760,211.20 = 49,911,897.60/x
  3. Step 3: Cross multiply
    84,008,102.40x = 125,760,211.20 × 49,911,897.60
  4. Step 4: Simplify right side
    84,008,102.40x = 6,276,930,783,568,773
  5. Step 5: Solve for x
    x = 6,276,930,783,568,773/84,008,102.40
  6. Step 6: Final answer
    x = 74,718,159.37

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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.