Home / 76,716,076.88-115,119,515.93-28,227,981.30

Finding the Fourth Proportional to 76,716,076.88, 115,119,515.93 and 28,227,981.30

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Solution

The fourth proportional to 76,716,076.88, 115,119,515.93 and 28,227,981.30 is: 42,358,677.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,716,076.88 : 115,119,515.93 = 28,227,981.30 : x
  2. Step 2: Convert to fraction form
    76,716,076.88/115,119,515.93 = 28,227,981.30/x
  3. Step 3: Cross multiply
    76,716,076.88x = 115,119,515.93 × 28,227,981.30
  4. Step 4: Simplify right side
    76,716,076.88x = 3,249,591,542,795,952
  5. Step 5: Solve for x
    x = 3,249,591,542,795,952/76,716,076.88
  6. Step 6: Final answer
    x = 42,358,677.28

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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.