Home / 196,289,898.60-270,890,712.64-112,657,360.58

Finding the Fourth Proportional to 196,289,898.60, 270,890,712.64 and 112,657,360.58

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Solution

The fourth proportional to 196,289,898.60, 270,890,712.64 and 112,657,360.58 is: 155,473,271.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,289,898.60 : 270,890,712.64 = 112,657,360.58 : x
  2. Step 2: Convert to fraction form
    196,289,898.60/270,890,712.64 = 112,657,360.58/x
  3. Step 3: Cross multiply
    196,289,898.60x = 270,890,712.64 × 112,657,360.58
  4. Step 4: Simplify right side
    196,289,898.60x = 30,517,832,691,657,640
  5. Step 5: Solve for x
    x = 30,517,832,691,657,640/196,289,898.60
  6. Step 6: Final answer
    x = 155,473,271.47

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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.