Home / 196,289,904.76-270,890,721.10-112,657,366.72

Finding the Fourth Proportional to 196,289,904.76, 270,890,721.10 and 112,657,366.72

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Solution

The fourth proportional to 196,289,904.76, 270,890,721.10 and 112,657,366.72 is: 155,473,279.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,289,904.76 : 270,890,721.10 = 112,657,366.72 : x
  2. Step 2: Convert to fraction form
    196,289,904.76/270,890,721.10 = 112,657,366.72/x
  3. Step 3: Cross multiply
    196,289,904.76x = 270,890,721.10 × 112,657,366.72
  4. Step 4: Simplify right side
    196,289,904.76x = 30,517,835,308,007,944
  5. Step 5: Solve for x
    x = 30,517,835,308,007,944/196,289,904.76
  6. Step 6: Final answer
    x = 155,473,279.92

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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.