Home / 196,289,897.11-270,890,710.58-112,657,359.09

Finding the Fourth Proportional to 196,289,897.11, 270,890,710.58 and 112,657,359.09

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Solution

The fourth proportional to 196,289,897.11, 270,890,710.58 and 112,657,359.09 is: 155,473,269.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,289,897.11 : 270,890,710.58 = 112,657,359.09 : x
  2. Step 2: Convert to fraction form
    196,289,897.11/270,890,710.58 = 112,657,359.09/x
  3. Step 3: Cross multiply
    196,289,897.11x = 270,890,710.58 × 112,657,359.09
  4. Step 4: Simplify right side
    196,289,897.11x = 30,517,832,055,956,320
  5. Step 5: Solve for x
    x = 30,517,832,055,956,320/196,289,897.11
  6. Step 6: Final answer
    x = 155,473,269.41

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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.