Home / 54,216,720.54-81,326,052.81-19,697,637.42

Finding the Fourth Proportional to 54,216,720.54, 81,326,052.81 and 19,697,637.42

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Solution

The fourth proportional to 54,216,720.54, 81,326,052.81 and 19,697,637.42 is: 29,546,809.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,216,720.54 : 81,326,052.81 = 19,697,637.42 : x
  2. Step 2: Convert to fraction form
    54,216,720.54/81,326,052.81 = 19,697,637.42/x
  3. Step 3: Cross multiply
    54,216,720.54x = 81,326,052.81 × 19,697,637.42
  4. Step 4: Simplify right side
    54,216,720.54x = 1,601,931,101,051,152.25
  5. Step 5: Solve for x
    x = 1,601,931,101,051,152.25/54,216,720.54
  6. Step 6: Final answer
    x = 29,546,809.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.