Home / 147,512,470.20-221,268,705.30-79,488,022.20

Finding the Fourth Proportional to 147,512,470.20, 221,268,705.30 and 79,488,022.20

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Solution

The fourth proportional to 147,512,470.20, 221,268,705.30 and 79,488,022.20 is: 119,232,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,512,470.20 : 221,268,705.30 = 79,488,022.20 : x
  2. Step 2: Convert to fraction form
    147,512,470.20/221,268,705.30 = 79,488,022.20/x
  3. Step 3: Cross multiply
    147,512,470.20x = 221,268,705.30 × 79,488,022.20
  4. Step 4: Simplify right side
    147,512,470.20x = 17,588,211,759,051,660
  5. Step 5: Solve for x
    x = 17,588,211,759,051,660/147,512,470.20
  6. Step 6: Final answer
    x = 119,232,033.30

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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.