Home / 75,570,943.28-104,261,802.78-45,811,133.06

Finding the Fourth Proportional to 75,570,943.28, 104,261,802.78 and 45,811,133.06

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Solution

The fourth proportional to 75,570,943.28, 104,261,802.78 and 45,811,133.06 is: 63,203,542.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,570,943.28 : 104,261,802.78 = 45,811,133.06 : x
  2. Step 2: Convert to fraction form
    75,570,943.28/104,261,802.78 = 45,811,133.06/x
  3. Step 3: Cross multiply
    75,570,943.28x = 104,261,802.78 × 45,811,133.06
  4. Step 4: Simplify right side
    75,570,943.28x = 4,776,351,320,230,058
  5. Step 5: Solve for x
    x = 4,776,351,320,230,058/75,570,943.28
  6. Step 6: Final answer
    x = 63,203,542.43

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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.