Home / 54,219,875.88-74,822,662.62-30,697,805.72

Finding the Fourth Proportional to 54,219,875.88, 74,822,662.62 and 30,697,805.72

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Solution

The fourth proportional to 54,219,875.88, 74,822,662.62 and 30,697,805.72 is: 42,362,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,219,875.88 : 74,822,662.62 = 30,697,805.72 : x
  2. Step 2: Convert to fraction form
    54,219,875.88/74,822,662.62 = 30,697,805.72/x
  3. Step 3: Cross multiply
    54,219,875.88x = 74,822,662.62 × 30,697,805.72
  4. Step 4: Simplify right side
    54,219,875.88x = 2,296,891,560,561,866
  5. Step 5: Solve for x
    x = 2,296,891,560,561,866/54,219,875.88
  6. Step 6: Final answer
    x = 42,362,538.15

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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.