Home / 57,847,740.99-86,710,605.12-18,976,042.55

Finding the Fourth Proportional to 57,847,740.99, 86,710,605.12 and 18,976,042.55

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Solution

The fourth proportional to 57,847,740.99, 86,710,605.12 and 18,976,042.55 is: 28,444,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,847,740.99 : 86,710,605.12 = 18,976,042.55 : x
  2. Step 2: Convert to fraction form
    57,847,740.99/86,710,605.12 = 18,976,042.55/x
  3. Step 3: Cross multiply
    57,847,740.99x = 86,710,605.12 × 18,976,042.55
  4. Step 4: Simplify right side
    57,847,740.99x = 1,645,424,131,859,815
  5. Step 5: Solve for x
    x = 1,645,424,131,859,815/57,847,740.99
  6. Step 6: Final answer
    x = 28,444,051.64

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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.