Home / 136,664,612.10-204,996,918.15-126,142,080.30

Finding the Fourth Proportional to 136,664,612.10, 204,996,918.15 and 126,142,080.30

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Solution

The fourth proportional to 136,664,612.10, 204,996,918.15 and 126,142,080.30 is: 189,213,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,664,612.10 : 204,996,918.15 = 126,142,080.30 : x
  2. Step 2: Convert to fraction form
    136,664,612.10/204,996,918.15 = 126,142,080.30/x
  3. Step 3: Cross multiply
    136,664,612.10x = 204,996,918.15 × 126,142,080.30
  4. Step 4: Simplify right side
    136,664,612.10x = 25,858,737,710,529,828
  5. Step 5: Solve for x
    x = 25,858,737,710,529,828/136,664,612.10
  6. Step 6: Final answer
    x = 189,213,120.45

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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.