Home / 225,645,123.13-311,258,344.39-141,880,638.27

Finding the Fourth Proportional to 225,645,123.13, 311,258,344.39 and 141,880,638.27

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Solution

The fourth proportional to 225,645,123.13, 311,258,344.39 and 141,880,638.27 is: 195,712,328.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,645,123.13 : 311,258,344.39 = 141,880,638.27 : x
  2. Step 2: Convert to fraction form
    225,645,123.13/311,258,344.39 = 141,880,638.27/x
  3. Step 3: Cross multiply
    225,645,123.13x = 311,258,344.39 × 141,880,638.27
  4. Step 4: Simplify right side
    225,645,123.13x = 44,161,532,568,916,672
  5. Step 5: Solve for x
    x = 44,161,532,568,916,672/225,645,123.13
  6. Step 6: Final answer
    x = 195,712,328.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.