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Finding the Fourth Proportional to 178,352,579.20, 267,210,004.20 and 152,843,411.20

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Solution

The fourth proportional to 178,352,579.20, 267,210,004.20 and 152,843,411.20 is: 228,991,858.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,352,579.20 : 267,210,004.20 = 152,843,411.20 : x
  2. Step 2: Convert to fraction form
    178,352,579.20/267,210,004.20 = 152,843,411.20/x
  3. Step 3: Cross multiply
    178,352,579.20x = 267,210,004.20 × 152,843,411.20
  4. Step 4: Simplify right side
    178,352,579.20x = 40,841,288,548,694,320
  5. Step 5: Solve for x
    x = 40,841,288,548,694,320/178,352,579.20
  6. Step 6: Final answer
    x = 228,991,858.33

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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.