Home / 55,775,578.48-76,972,167.44-30,996,809.68

Finding the Fourth Proportional to 55,775,578.48, 76,972,167.44 and 30,996,809.68

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Solution

The fourth proportional to 55,775,578.48, 76,972,167.44 and 30,996,809.68 is: 42,776,636.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775,578.48 : 76,972,167.44 = 30,996,809.68 : x
  2. Step 2: Convert to fraction form
    55,775,578.48/76,972,167.44 = 30,996,809.68/x
  3. Step 3: Cross multiply
    55,775,578.48x = 76,972,167.44 × 30,996,809.68
  4. Step 4: Simplify right side
    55,775,578.48x = 2,385,891,624,794,772.50
  5. Step 5: Solve for x
    x = 2,385,891,624,794,772.50/55,775,578.48
  6. Step 6: Final answer
    x = 42,776,636.12

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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.