Home / 217,049,615.40-325,574,423.10-148,174,861.80

Finding the Fourth Proportional to 217,049,615.40, 325,574,423.10 and 148,174,861.80

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Solution

The fourth proportional to 217,049,615.40, 325,574,423.10 and 148,174,861.80 is: 222,262,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,049,615.40 : 325,574,423.10 = 148,174,861.80 : x
  2. Step 2: Convert to fraction form
    217,049,615.40/325,574,423.10 = 148,174,861.80/x
  3. Step 3: Cross multiply
    217,049,615.40x = 325,574,423.10 × 148,174,861.80
  4. Step 4: Simplify right side
    217,049,615.40x = 48,241,945,148,457,232
  5. Step 5: Solve for x
    x = 48,241,945,148,457,232/217,049,615.40
  6. Step 6: Final answer
    x = 222,262,292.70

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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.