Home / 127,770,305.60-191,655,458.40-76,625,998.40

Finding the Fourth Proportional to 127,770,305.60, 191,655,458.40 and 76,625,998.40

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Solution

The fourth proportional to 127,770,305.60, 191,655,458.40 and 76,625,998.40 is: 114,938,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,770,305.60 : 191,655,458.40 = 76,625,998.40 : x
  2. Step 2: Convert to fraction form
    127,770,305.60/191,655,458.40 = 76,625,998.40/x
  3. Step 3: Cross multiply
    127,770,305.60x = 191,655,458.40 × 76,625,998.40
  4. Step 4: Simplify right side
    127,770,305.60x = 14,685,790,848,709,668
  5. Step 5: Solve for x
    x = 14,685,790,848,709,668/127,770,305.60
  6. Step 6: Final answer
    x = 114,938,997.60

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1.5x scale

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.