Home / 154,863,889.26-213,714,885.06-84,301,528.20

Finding the Fourth Proportional to 154,863,889.26, 213,714,885.06 and 84,301,528.20

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Solution

The fourth proportional to 154,863,889.26, 213,714,885.06 and 84,301,528.20 is: 116,337,588.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,863,889.26 : 213,714,885.06 = 84,301,528.20 : x
  2. Step 2: Convert to fraction form
    154,863,889.26/213,714,885.06 = 84,301,528.20/x
  3. Step 3: Cross multiply
    154,863,889.26x = 213,714,885.06 × 84,301,528.20
  4. Step 4: Simplify right side
    154,863,889.26x = 18,016,491,409,645,348
  5. Step 5: Solve for x
    x = 18,016,491,409,645,348/154,863,889.26
  6. Step 6: Final answer
    x = 116,337,588.42

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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.