Home / 127,939,131.25-191,909,256.38-40,501,075.17

Finding the Fourth Proportional to 127,939,131.25, 191,909,256.38 and 40,501,075.17

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Solution

The fourth proportional to 127,939,131.25, 191,909,256.38 and 40,501,075.17 is: 60,751,789.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,939,131.25 : 191,909,256.38 = 40,501,075.17 : x
  2. Step 2: Convert to fraction form
    127,939,131.25/191,909,256.38 = 40,501,075.17/x
  3. Step 3: Cross multiply
    127,939,131.25x = 191,909,256.38 × 40,501,075.17
  4. Step 4: Simplify right side
    127,939,131.25x = 7,772,531,219,134,215
  5. Step 5: Solve for x
    x = 7,772,531,219,134,215/127,939,131.25
  6. Step 6: Final answer
    x = 60,751,789.88

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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.