Home / 216,937,555.78-299,392,290.14-122,868,436.88

Finding the Fourth Proportional to 216,937,555.78, 299,392,290.14 and 122,868,436.88

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Solution

The fourth proportional to 216,937,555.78, 299,392,290.14 and 122,868,436.88 is: 169,568,900.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,937,555.78 : 299,392,290.14 = 122,868,436.88 : x
  2. Step 2: Convert to fraction form
    216,937,555.78/299,392,290.14 = 122,868,436.88/x
  3. Step 3: Cross multiply
    216,937,555.78x = 299,392,290.14 × 122,868,436.88
  4. Step 4: Simplify right side
    216,937,555.78x = 36,785,862,703,903,400
  5. Step 5: Solve for x
    x = 36,785,862,703,903,400/216,937,555.78
  6. Step 6: Final answer
    x = 169,568,900.01

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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.