Home / 196,289,942.40-270,890,773.20-112,657,404.48

Finding the Fourth Proportional to 196,289,942.40, 270,890,773.20 and 112,657,404.48

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Solution

The fourth proportional to 196,289,942.40, 270,890,773.20 and 112,657,404.48 is: 155,473,332.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,289,942.40 : 270,890,773.20 = 112,657,404.48 : x
  2. Step 2: Convert to fraction form
    196,289,942.40/270,890,773.20 = 112,657,404.48/x
  3. Step 3: Cross multiply
    196,289,942.40x = 270,890,773.20 × 112,657,404.48
  4. Step 4: Simplify right side
    196,289,942.40x = 30,517,851,406,292,344
  5. Step 5: Solve for x
    x = 30,517,851,406,292,344/196,289,942.40
  6. Step 6: Final answer
    x = 155,473,332.12

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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.