Home / 122,237,576.43-168,731,733.35-72,677,831.90

Finding the Fourth Proportional to 122,237,576.43, 168,731,733.35 and 72,677,831.90

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Solution

The fourth proportional to 122,237,576.43, 168,731,733.35 and 72,677,831.90 is: 100,321,496.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,237,576.43 : 168,731,733.35 = 72,677,831.90 : x
  2. Step 2: Convert to fraction form
    122,237,576.43/168,731,733.35 = 72,677,831.90/x
  3. Step 3: Cross multiply
    122,237,576.43x = 168,731,733.35 × 72,677,831.90
  4. Step 4: Simplify right side
    122,237,576.43x = 12,263,056,551,399,876
  5. Step 5: Solve for x
    x = 12,263,056,551,399,876/122,237,576.43
  6. Step 6: Final answer
    x = 100,321,496.14

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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.