Home / 131,904,741.40-197,857,112.10-112,347,712.60

Finding the Fourth Proportional to 131,904,741.40, 197,857,112.10 and 112,347,712.60

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Solution

The fourth proportional to 131,904,741.40, 197,857,112.10 and 112,347,712.60 is: 168,521,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,904,741.40 : 197,857,112.10 = 112,347,712.60 : x
  2. Step 2: Convert to fraction form
    131,904,741.40/197,857,112.10 = 112,347,712.60/x
  3. Step 3: Cross multiply
    131,904,741.40x = 197,857,112.10 × 112,347,712.60
  4. Step 4: Simplify right side
    131,904,741.40x = 22,228,793,966,076,780
  5. Step 5: Solve for x
    x = 22,228,793,966,076,780/131,904,741.40
  6. Step 6: Final answer
    x = 168,521,568.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.