Home / 54,219,857.90-74,822,637.80-30,697,787.68

Finding the Fourth Proportional to 54,219,857.90, 74,822,637.80 and 30,697,787.68

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Solution

The fourth proportional to 54,219,857.90, 74,822,637.80 and 30,697,787.68 is: 42,362,513.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,219,857.90 : 74,822,637.80 = 30,697,787.68 : x
  2. Step 2: Convert to fraction form
    54,219,857.90/74,822,637.80 = 30,697,787.68/x
  3. Step 3: Cross multiply
    54,219,857.90x = 74,822,637.80 × 30,697,787.68
  4. Step 4: Simplify right side
    54,219,857.90x = 2,296,889,448,841,942
  5. Step 5: Solve for x
    x = 2,296,889,448,841,942/54,219,857.90
  6. Step 6: Final answer
    x = 42,362,513.25

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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.