Home / 321,209,133.14-481,812,732.03-91,178,412.50

Finding the Fourth Proportional to 321,209,133.14, 481,812,732.03 and 91,178,412.50

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Solution

The fourth proportional to 321,209,133.14, 481,812,732.03 and 91,178,412.50 is: 136,767,344.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,209,133.14 : 481,812,732.03 = 91,178,412.50 : x
  2. Step 2: Convert to fraction form
    321,209,133.14/481,812,732.03 = 91,178,412.50/x
  3. Step 3: Cross multiply
    321,209,133.14x = 481,812,732.03 × 91,178,412.50
  4. Step 4: Simplify right side
    321,209,133.14x = 43,930,920,028,783,296
  5. Step 5: Solve for x
    x = 43,930,920,028,783,296/321,209,133.14
  6. Step 6: Final answer
    x = 136,767,344.06

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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.