Home / 196,289,899.11-270,890,713.34-112,657,361.09

Finding the Fourth Proportional to 196,289,899.11, 270,890,713.34 and 112,657,361.09

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Solution

The fourth proportional to 196,289,899.11, 270,890,713.34 and 112,657,361.09 is: 155,473,272.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,289,899.11 : 270,890,713.34 = 112,657,361.09 : x
  2. Step 2: Convert to fraction form
    196,289,899.11/270,890,713.34 = 112,657,361.09/x
  3. Step 3: Cross multiply
    196,289,899.11x = 270,890,713.34 × 112,657,361.09
  4. Step 4: Simplify right side
    196,289,899.11x = 30,517,832,906,754,316
  5. Step 5: Solve for x
    x = 30,517,832,906,754,316/196,289,899.11
  6. Step 6: Final answer
    x = 155,473,272.16

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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.