Home / 54,216,698-81,326,018.96-19,697,614.88

Finding the Fourth Proportional to 54,216,698, 81,326,018.96 and 19,697,614.88

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Solution

The fourth proportional to 54,216,698, 81,326,018.96 and 19,697,614.88 is: 29,546,775.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,216,698 : 81,326,018.96 = 19,697,614.88 : x
  2. Step 2: Convert to fraction form
    54,216,698/81,326,018.96 = 19,697,614.88/x
  3. Step 3: Cross multiply
    54,216,698x = 81,326,018.96 × 19,697,614.88
  4. Step 4: Simplify right side
    54,216,698x = 1,601,928,601,197,658
  5. Step 5: Solve for x
    x = 1,601,928,601,197,658/54,216,698
  6. Step 6: Final answer
    x = 29,546,775.45

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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.