Home / 55,478,990.28-76,566,769.38-31,958,339.88

Finding the Fourth Proportional to 55,478,990.28, 76,566,769.38 and 31,958,339.88

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Solution

The fourth proportional to 55,478,990.28, 76,566,769.38 and 31,958,339.88 is: 44,105,828.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,478,990.28 : 76,566,769.38 = 31,958,339.88 : x
  2. Step 2: Convert to fraction form
    55,478,990.28/76,566,769.38 = 31,958,339.88/x
  3. Step 3: Cross multiply
    55,478,990.28x = 76,566,769.38 × 31,958,339.88
  4. Step 4: Simplify right side
    55,478,990.28x = 2,446,946,839,359,616.50
  5. Step 5: Solve for x
    x = 2,446,946,839,359,616.50/55,478,990.28
  6. Step 6: Final answer
    x = 44,105,828.66

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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.