Home / 168,931,016.34-253,492,382.07-91,206,885.30

Finding the Fourth Proportional to 168,931,016.34, 253,492,382.07 and 91,206,885.30

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Solution

The fourth proportional to 168,931,016.34, 253,492,382.07 and 91,206,885.30 is: 136,862,082.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,931,016.34 : 253,492,382.07 = 91,206,885.30 : x
  2. Step 2: Convert to fraction form
    168,931,016.34/253,492,382.07 = 91,206,885.30/x
  3. Step 3: Cross multiply
    168,931,016.34x = 253,492,382.07 × 91,206,885.30
  4. Step 4: Simplify right side
    168,931,016.34x = 23,120,250,615,882,264
  5. Step 5: Solve for x
    x = 23,120,250,615,882,264/168,931,016.34
  6. Step 6: Final answer
    x = 136,862,082.03

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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.