Home / 54,481,036,809.40-81,721,555,214.10-45,802,817,855.80

Finding the Fourth Proportional to 54,481,036,809.40, 81,721,555,214.10 and 45,802,817,855.80

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Solution

The fourth proportional to 54,481,036,809.40, 81,721,555,214.10 and 45,802,817,855.80 is: 68,704,226,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,481,036,809.40 : 81,721,555,214.10 = 45,802,817,855.80 : x
  2. Step 2: Convert to fraction form
    54,481,036,809.40/81,721,555,214.10 = 45,802,817,855.80/x
  3. Step 3: Cross multiply
    54,481,036,809.40x = 81,721,555,214.10 × 45,802,817,855.80
  4. Step 4: Simplify right side
    54,481,036,809.40x = 3,743,077,508,364,125,601,792
  5. Step 5: Solve for x
    x = 3,743,077,508,364,125,601,792/54,481,036,809.40
  6. Step 6: Final answer
    x = 68,704,226,783.70

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1.5x scale

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.