Home / 127,725,785.43-191,638,385.93-51,070,735.59

Finding the Fourth Proportional to 127,725,785.43, 191,638,385.93 and 51,070,735.59

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Solution

The fourth proportional to 127,725,785.43, 191,638,385.93 and 51,070,735.59 is: 76,625,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,725,785.43 : 191,638,385.93 = 51,070,735.59 : x
  2. Step 2: Convert to fraction form
    127,725,785.43/191,638,385.93 = 51,070,735.59/x
  3. Step 3: Cross multiply
    127,725,785.43x = 191,638,385.93 × 51,070,735.59
  4. Step 4: Simplify right side
    127,725,785.43x = 9,787,113,336,470,054
  5. Step 5: Solve for x
    x = 9,787,113,336,470,054/127,725,785.43
  6. Step 6: Final answer
    x = 76,625,978.88

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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.