Home / 80,178,551.89-110,646,401.61-43,509,122.89

Finding the Fourth Proportional to 80,178,551.89, 110,646,401.61 and 43,509,122.89

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Solution

The fourth proportional to 80,178,551.89, 110,646,401.61 and 43,509,122.89 is: 60,042,589.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,178,551.89 : 110,646,401.61 = 43,509,122.89 : x
  2. Step 2: Convert to fraction form
    80,178,551.89/110,646,401.61 = 43,509,122.89/x
  3. Step 3: Cross multiply
    80,178,551.89x = 110,646,401.61 × 43,509,122.89
  4. Step 4: Simplify right side
    80,178,551.89x = 4,814,127,884,985,784
  5. Step 5: Solve for x
    x = 4,814,127,884,985,784/80,178,551.89
  6. Step 6: Final answer
    x = 60,042,589.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.