Home / 181,805,918.81-250,884,919.36-102,419,131.01

Finding the Fourth Proportional to 181,805,918.81, 250,884,919.36 and 102,419,131.01

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Solution

The fourth proportional to 181,805,918.81, 250,884,919.36 and 102,419,131.01 is: 141,334,317.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,805,918.81 : 250,884,919.36 = 102,419,131.01 : x
  2. Step 2: Convert to fraction form
    181,805,918.81/250,884,919.36 = 102,419,131.01/x
  3. Step 3: Cross multiply
    181,805,918.81x = 250,884,919.36 × 102,419,131.01
  4. Step 4: Simplify right side
    181,805,918.81x = 25,695,415,424,365,128
  5. Step 5: Solve for x
    x = 25,695,415,424,365,128/181,805,918.81
  6. Step 6: Final answer
    x = 141,334,317.35

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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.