Home / 76,015,820.40-114,023,730.60-66,449,882.40

Finding the Fourth Proportional to 76,015,820.40, 114,023,730.60 and 66,449,882.40

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Solution

The fourth proportional to 76,015,820.40, 114,023,730.60 and 66,449,882.40 is: 99,674,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,015,820.40 : 114,023,730.60 = 66,449,882.40 : x
  2. Step 2: Convert to fraction form
    76,015,820.40/114,023,730.60 = 66,449,882.40/x
  3. Step 3: Cross multiply
    76,015,820.40x = 114,023,730.60 × 66,449,882.40
  4. Step 4: Simplify right side
    76,015,820.40x = 7,576,863,489,179,281
  5. Step 5: Solve for x
    x = 7,576,863,489,179,281/76,015,820.40
  6. Step 6: Final answer
    x = 99,674,823.60

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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.