Home / 54,344,356.20-81,492,914.70-17,938,679.40

Finding the Fourth Proportional to 54,344,356.20, 81,492,914.70 and 17,938,679.40

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Solution

The fourth proportional to 54,344,356.20, 81,492,914.70 and 17,938,679.40 is: 26,900,222.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,344,356.20 : 81,492,914.70 = 17,938,679.40 : x
  2. Step 2: Convert to fraction form
    54,344,356.20/81,492,914.70 = 17,938,679.40/x
  3. Step 3: Cross multiply
    54,344,356.20x = 81,492,914.70 × 17,938,679.40
  4. Step 4: Simplify right side
    54,344,356.20x = 1,461,875,270,174,847
  5. Step 5: Solve for x
    x = 1,461,875,270,174,847/54,344,356.20
  6. Step 6: Final answer
    x = 26,900,222.44

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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.