Home / 449,169,619.20-673,754,428.80-108,767,443.20

Finding the Fourth Proportional to 449,169,619.20, 673,754,428.80 and 108,767,443.20

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Solution

The fourth proportional to 449,169,619.20, 673,754,428.80 and 108,767,443.20 is: 163,151,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,169,619.20 : 673,754,428.80 = 108,767,443.20 : x
  2. Step 2: Convert to fraction form
    449,169,619.20/673,754,428.80 = 108,767,443.20/x
  3. Step 3: Cross multiply
    449,169,619.20x = 673,754,428.80 × 108,767,443.20
  4. Step 4: Simplify right side
    449,169,619.20x = 73,282,546,565,252,448
  5. Step 5: Solve for x
    x = 73,282,546,565,252,448/449,169,619.20
  6. Step 6: Final answer
    x = 163,151,164.80

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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.