Home / 57,760,582-86,622,570.12-18,890,051.68

Finding the Fourth Proportional to 57,760,582, 86,622,570.12 and 18,890,051.68

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Solution

The fourth proportional to 57,760,582, 86,622,570.12 and 18,890,051.68 is: 28,329,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,760,582 : 86,622,570.12 = 18,890,051.68 : x
  2. Step 2: Convert to fraction form
    57,760,582/86,622,570.12 = 18,890,051.68/x
  3. Step 3: Cross multiply
    57,760,582x = 86,622,570.12 × 18,890,051.68
  4. Step 4: Simplify right side
    57,760,582x = 1,636,304,826,221,223.75
  5. Step 5: Solve for x
    x = 1,636,304,826,221,223.75/57,760,582
  6. Step 6: Final answer
    x = 28,329,091.74

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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.