Home / 119,232,001.20-178,848,001.80-82,763,338.80

Finding the Fourth Proportional to 119,232,001.20, 178,848,001.80 and 82,763,338.80

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Solution

The fourth proportional to 119,232,001.20, 178,848,001.80 and 82,763,338.80 is: 124,145,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,232,001.20 : 178,848,001.80 = 82,763,338.80 : x
  2. Step 2: Convert to fraction form
    119,232,001.20/178,848,001.80 = 82,763,338.80/x
  3. Step 3: Cross multiply
    119,232,001.20x = 178,848,001.80 × 82,763,338.80
  4. Step 4: Simplify right side
    119,232,001.20x = 14,802,057,766,676,410
  5. Step 5: Solve for x
    x = 14,802,057,766,676,410/119,232,001.20
  6. Step 6: Final answer
    x = 124,145,008.20

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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.