Home / 37,916,166.80-56,778,022.20-20,857,566.80

Finding the Fourth Proportional to 37,916,166.80, 56,778,022.20 and 20,857,566.80

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Solution

The fourth proportional to 37,916,166.80, 56,778,022.20 and 20,857,566.80 is: 31,233,415.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,916,166.80 : 56,778,022.20 = 20,857,566.80 : x
  2. Step 2: Convert to fraction form
    37,916,166.80/56,778,022.20 = 20,857,566.80/x
  3. Step 3: Cross multiply
    37,916,166.80x = 56,778,022.20 × 20,857,566.80
  4. Step 4: Simplify right side
    37,916,166.80x = 1,184,251,390,808,383
  5. Step 5: Solve for x
    x = 1,184,251,390,808,383/37,916,166.80
  6. Step 6: Final answer
    x = 31,233,415.47

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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.