Home / 76,621,887.20-114,966,008.40-36,211,570.40

Finding the Fourth Proportional to 76,621,887.20, 114,966,008.40 and 36,211,570.40

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Solution

The fourth proportional to 76,621,887.20, 114,966,008.40 and 36,211,570.40 is: 54,333,035.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,621,887.20 : 114,966,008.40 = 36,211,570.40 : x
  2. Step 2: Convert to fraction form
    76,621,887.20/114,966,008.40 = 36,211,570.40/x
  3. Step 3: Cross multiply
    76,621,887.20x = 114,966,008.40 × 36,211,570.40
  4. Step 4: Simplify right side
    76,621,887.20x = 4,163,099,706,783,591.50
  5. Step 5: Solve for x
    x = 4,163,099,706,783,591.50/76,621,887.20
  6. Step 6: Final answer
    x = 54,333,035.36

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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.