Home / 54,434,429.70-81,651,644.55-18,532,637.70

Finding the Fourth Proportional to 54,434,429.70, 81,651,644.55 and 18,532,637.70

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Solution

The fourth proportional to 54,434,429.70, 81,651,644.55 and 18,532,637.70 is: 27,798,956.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,434,429.70 : 81,651,644.55 = 18,532,637.70 : x
  2. Step 2: Convert to fraction form
    54,434,429.70/81,651,644.55 = 18,532,637.70/x
  3. Step 3: Cross multiply
    54,434,429.70x = 81,651,644.55 × 18,532,637.70
  4. Step 4: Simplify right side
    54,434,429.70x = 1,513,220,346,054,329.50
  5. Step 5: Solve for x
    x = 1,513,220,346,054,329.50/54,434,429.70
  6. Step 6: Final answer
    x = 27,798,956.55

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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.