Home / 172,400,734.60-258,601,101.90-153,694,011.40

Finding the Fourth Proportional to 172,400,734.60, 258,601,101.90 and 153,694,011.40

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Solution

The fourth proportional to 172,400,734.60, 258,601,101.90 and 153,694,011.40 is: 230,541,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,400,734.60 : 258,601,101.90 = 153,694,011.40 : x
  2. Step 2: Convert to fraction form
    172,400,734.60/258,601,101.90 = 153,694,011.40/x
  3. Step 3: Cross multiply
    172,400,734.60x = 258,601,101.90 × 153,694,011.40
  4. Step 4: Simplify right side
    172,400,734.60x = 39,745,440,703,471,168
  5. Step 5: Solve for x
    x = 39,745,440,703,471,168/172,400,734.60
  6. Step 6: Final answer
    x = 230,541,017.10

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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.