Home / 311,539,429-467,209,760.46-107,018,187.40

Finding the Fourth Proportional to 311,539,429, 467,209,760.46 and 107,018,187.40

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Solution

The fourth proportional to 311,539,429, 467,209,760.46 and 107,018,187.40 is: 160,493,141.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,539,429 : 467,209,760.46 = 107,018,187.40 : x
  2. Step 2: Convert to fraction form
    311,539,429/467,209,760.46 = 107,018,187.40/x
  3. Step 3: Cross multiply
    311,539,429x = 467,209,760.46 × 107,018,187.40
  4. Step 4: Simplify right side
    311,539,429x = 49,999,941,700,017,392
  5. Step 5: Solve for x
    x = 49,999,941,700,017,392/311,539,429
  6. Step 6: Final answer
    x = 160,493,141.62

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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.