Home / 145,162,892.40-217,744,338.60-131,725,964.40

Finding the Fourth Proportional to 145,162,892.40, 217,744,338.60 and 131,725,964.40

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Solution

The fourth proportional to 145,162,892.40, 217,744,338.60 and 131,725,964.40 is: 197,588,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,162,892.40 : 217,744,338.60 = 131,725,964.40 : x
  2. Step 2: Convert to fraction form
    145,162,892.40/217,744,338.60 = 131,725,964.40/x
  3. Step 3: Cross multiply
    145,162,892.40x = 217,744,338.60 × 131,725,964.40
  4. Step 4: Simplify right side
    145,162,892.40x = 28,682,582,994,725,148
  5. Step 5: Solve for x
    x = 28,682,582,994,725,148/145,162,892.40
  6. Step 6: Final answer
    x = 197,588,946.60

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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.