Home / 55,775,568.47-76,972,153.62-30,996,799.70

Finding the Fourth Proportional to 55,775,568.47, 76,972,153.62 and 30,996,799.70

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Solution

The fourth proportional to 55,775,568.47, 76,972,153.62 and 30,996,799.70 is: 42,776,622.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775,568.47 : 76,972,153.62 = 30,996,799.70 : x
  2. Step 2: Convert to fraction form
    55,775,568.47/76,972,153.62 = 30,996,799.70/x
  3. Step 3: Cross multiply
    55,775,568.47x = 76,972,153.62 × 30,996,799.70
  4. Step 4: Simplify right side
    55,775,568.47x = 2,385,890,428,236,770
  5. Step 5: Solve for x
    x = 2,385,890,428,236,770/55,775,568.47
  6. Step 6: Final answer
    x = 42,776,622.34

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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.