Home / 54,918,030.80-82,377,046.20-42,163,446.80

Finding the Fourth Proportional to 54,918,030.80, 82,377,046.20 and 42,163,446.80

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Solution

The fourth proportional to 54,918,030.80, 82,377,046.20 and 42,163,446.80 is: 63,245,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,918,030.80 : 82,377,046.20 = 42,163,446.80 : x
  2. Step 2: Convert to fraction form
    54,918,030.80/82,377,046.20 = 42,163,446.80/x
  3. Step 3: Cross multiply
    54,918,030.80x = 82,377,046.20 × 42,163,446.80
  4. Step 4: Simplify right side
    54,918,030.80x = 3,473,300,204,994,842
  5. Step 5: Solve for x
    x = 3,473,300,204,994,842/54,918,030.80
  6. Step 6: Final answer
    x = 63,245,170.20

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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.