Home / 56,138,839.28-77,463,352.86-31,355,972.36

Finding the Fourth Proportional to 56,138,839.28, 77,463,352.86 and 31,355,972.36

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Solution

The fourth proportional to 56,138,839.28, 77,463,352.86 and 31,355,972.36 is: 43,266,636.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,138,839.28 : 77,463,352.86 = 31,355,972.36 : x
  2. Step 2: Convert to fraction form
    56,138,839.28/77,463,352.86 = 31,355,972.36/x
  3. Step 3: Cross multiply
    56,138,839.28x = 77,463,352.86 × 31,355,972.36
  4. Step 4: Simplify right side
    56,138,839.28x = 2,428,938,751,191,087
  5. Step 5: Solve for x
    x = 2,428,938,751,191,087/56,138,839.28
  6. Step 6: Final answer
    x = 43,266,636.47

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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.