Home / 69,126,924,699.20-103,690,387,048.80-68,024,928,641.60

Finding the Fourth Proportional to 69,126,924,699.20, 103,690,387,048.80 and 68,024,928,641.60

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Solution

The fourth proportional to 69,126,924,699.20, 103,690,387,048.80 and 68,024,928,641.60 is: 102,037,392,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,126,924,699.20 : 103,690,387,048.80 = 68,024,928,641.60 : x
  2. Step 2: Convert to fraction form
    69,126,924,699.20/103,690,387,048.80 = 68,024,928,641.60/x
  3. Step 3: Cross multiply
    69,126,924,699.20x = 103,690,387,048.80 × 68,024,928,641.60
  4. Step 4: Simplify right side
    69,126,924,699.20x = 7,053,531,179,814,504,890,368
  5. Step 5: Solve for x
    x = 7,053,531,179,814,504,890,368/69,126,924,699.20
  6. Step 6: Final answer
    x = 102,037,392,962.40

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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.