Home / 76,520,838.64-114,806,043.96-45,810,615.28

Finding the Fourth Proportional to 76,520,838.64, 114,806,043.96 and 45,810,615.28

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Solution

The fourth proportional to 76,520,838.64, 114,806,043.96 and 45,810,615.28 is: 68,730,761.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,520,838.64 : 114,806,043.96 = 45,810,615.28 : x
  2. Step 2: Convert to fraction form
    76,520,838.64/114,806,043.96 = 45,810,615.28/x
  3. Step 3: Cross multiply
    76,520,838.64x = 114,806,043.96 × 45,810,615.28
  4. Step 4: Simplify right side
    76,520,838.64x = 5,259,335,511,670,328
  5. Step 5: Solve for x
    x = 5,259,335,511,670,328/76,520,838.64
  6. Step 6: Final answer
    x = 68,730,761.52

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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.