Home / 73,147,428-109,720,923.12-18,559,908

Finding the Fourth Proportional to 73,147,428, 109,720,923.12 and 18,559,908

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Solution

The fourth proportional to 73,147,428, 109,720,923.12 and 18,559,908 is: 27,839,806.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,147,428 : 109,720,923.12 = 18,559,908 : x
  2. Step 2: Convert to fraction form
    73,147,428/109,720,923.12 = 18,559,908/x
  3. Step 3: Cross multiply
    73,147,428x = 109,720,923.12 × 18,559,908
  4. Step 4: Simplify right side
    73,147,428x = 2,036,410,238,782,273
  5. Step 5: Solve for x
    x = 2,036,410,238,782,273/73,147,428
  6. Step 6: Final answer
    x = 27,839,806.46

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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.