Home / 272,975,705.28-409,463,559.12-91,222,883.28

Finding the Fourth Proportional to 272,975,705.28, 409,463,559.12 and 91,222,883.28

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Solution

The fourth proportional to 272,975,705.28, 409,463,559.12 and 91,222,883.28 is: 136,834,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,975,705.28 : 409,463,559.12 = 91,222,883.28 : x
  2. Step 2: Convert to fraction form
    272,975,705.28/409,463,559.12 = 91,222,883.28/x
  3. Step 3: Cross multiply
    272,975,705.28x = 409,463,559.12 × 91,222,883.28
  4. Step 4: Simplify right side
    272,975,705.28x = 37,352,446,461,017,144
  5. Step 5: Solve for x
    x = 37,352,446,461,017,144/272,975,705.28
  6. Step 6: Final answer
    x = 136,834,325.32

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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.