Home / 76,621,882.20-114,966,000.90-36,211,565.40

Finding the Fourth Proportional to 76,621,882.20, 114,966,000.90 and 36,211,565.40

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Solution

The fourth proportional to 76,621,882.20, 114,966,000.90 and 36,211,565.40 is: 54,333,027.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,621,882.20 : 114,966,000.90 = 36,211,565.40 : x
  2. Step 2: Convert to fraction form
    76,621,882.20/114,966,000.90 = 36,211,565.40/x
  3. Step 3: Cross multiply
    76,621,882.20x = 114,966,000.90 × 36,211,565.40
  4. Step 4: Simplify right side
    76,621,882.20x = 4,163,098,860,366,809
  5. Step 5: Solve for x
    x = 4,163,098,860,366,809/76,621,882.20
  6. Step 6: Final answer
    x = 54,333,027.86

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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.