Home / 113,599,969.60-156,761,201.84-65,911,529.64

Finding the Fourth Proportional to 113,599,969.60, 156,761,201.84 and 65,911,529.64

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Solution

The fourth proportional to 113,599,969.60, 156,761,201.84 and 65,911,529.64 is: 90,953,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,599,969.60 : 156,761,201.84 = 65,911,529.64 : x
  2. Step 2: Convert to fraction form
    113,599,969.60/156,761,201.84 = 65,911,529.64/x
  3. Step 3: Cross multiply
    113,599,969.60x = 156,761,201.84 × 65,911,529.64
  4. Step 4: Simplify right side
    113,599,969.60x = 10,332,370,601,479,182
  5. Step 5: Solve for x
    x = 10,332,370,601,479,182/113,599,969.60
  6. Step 6: Final answer
    x = 90,953,990.90

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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.