Home / 127,939,133.76-191,909,260.14-40,501,077.68

Finding the Fourth Proportional to 127,939,133.76, 191,909,260.14 and 40,501,077.68

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Solution

The fourth proportional to 127,939,133.76, 191,909,260.14 and 40,501,077.68 is: 60,751,793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,939,133.76 : 191,909,260.14 = 40,501,077.68 : x
  2. Step 2: Convert to fraction form
    127,939,133.76/191,909,260.14 = 40,501,077.68/x
  3. Step 3: Cross multiply
    127,939,133.76x = 191,909,260.14 × 40,501,077.68
  4. Step 4: Simplify right side
    127,939,133.76x = 7,772,531,852,441,467
  5. Step 5: Solve for x
    x = 7,772,531,852,441,467/127,939,133.76
  6. Step 6: Final answer
    x = 60,751,793.64

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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.