Home / 55,775,568.48-76,972,153.62-30,996,799.68

Finding the Fourth Proportional to 55,775,568.48, 76,972,153.62 and 30,996,799.68

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Solution

The fourth proportional to 55,775,568.48, 76,972,153.62 and 30,996,799.68 is: 42,776,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775,568.48 : 76,972,153.62 = 30,996,799.68 : x
  2. Step 2: Convert to fraction form
    55,775,568.48/76,972,153.62 = 30,996,799.68/x
  3. Step 3: Cross multiply
    55,775,568.48x = 76,972,153.62 × 30,996,799.68
  4. Step 4: Simplify right side
    55,775,568.48x = 2,385,890,426,697,327
  5. Step 5: Solve for x
    x = 2,385,890,426,697,327/55,775,568.48
  6. Step 6: Final answer
    x = 42,776,622.30

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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.