Home / 197,761,178.70-272,885,338.80-108,429,617.25

Finding the Fourth Proportional to 197,761,178.70, 272,885,338.80 and 108,429,617.25

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Solution

The fourth proportional to 197,761,178.70, 272,885,338.80 and 108,429,617.25 is: 149,619,116.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,761,178.70 : 272,885,338.80 = 108,429,617.25 : x
  2. Step 2: Convert to fraction form
    197,761,178.70/272,885,338.80 = 108,429,617.25/x
  3. Step 3: Cross multiply
    197,761,178.70x = 272,885,338.80 × 108,429,617.25
  4. Step 4: Simplify right side
    197,761,178.70x = 29,588,852,839,220,576
  5. Step 5: Solve for x
    x = 29,588,852,839,220,576/197,761,178.70
  6. Step 6: Final answer
    x = 149,619,116.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.