Home / 54,910,166.12-82,307,340.84-18,012,421.15

Finding the Fourth Proportional to 54,910,166.12, 82,307,340.84 and 18,012,421.15

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Solution

The fourth proportional to 54,910,166.12, 82,307,340.84 and 18,012,421.15 is: 26,999,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,910,166.12 : 82,307,340.84 = 18,012,421.15 : x
  2. Step 2: Convert to fraction form
    54,910,166.12/82,307,340.84 = 18,012,421.15/x
  3. Step 3: Cross multiply
    54,910,166.12x = 82,307,340.84 × 18,012,421.15
  4. Step 4: Simplify right side
    54,910,166.12x = 1,482,554,487,119,461
  5. Step 5: Solve for x
    x = 1,482,554,487,119,461/54,910,166.12
  6. Step 6: Final answer
    x = 26,999,635.80

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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.