Home / 73,009,589.10-109,507,266.45-19,156,901.10

Finding the Fourth Proportional to 73,009,589.10, 109,507,266.45 and 19,156,901.10

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Solution

The fourth proportional to 73,009,589.10, 109,507,266.45 and 19,156,901.10 is: 28,733,484.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,009,589.10 : 109,507,266.45 = 19,156,901.10 : x
  2. Step 2: Convert to fraction form
    73,009,589.10/109,507,266.45 = 19,156,901.10/x
  3. Step 3: Cross multiply
    73,009,589.10x = 109,507,266.45 × 19,156,901.10
  4. Step 4: Simplify right side
    73,009,589.10x = 2,097,819,873,113,998.25
  5. Step 5: Solve for x
    x = 2,097,819,873,113,998.25/73,009,589.10
  6. Step 6: Final answer
    x = 28,733,484.18

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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.