Home / 127,965,236.49-176,597,033.15-75,034,587.69

Finding the Fourth Proportional to 127,965,236.49, 176,597,033.15 and 75,034,587.69

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Solution

The fourth proportional to 127,965,236.49, 176,597,033.15 and 75,034,587.69 is: 103,550,666.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,965,236.49 : 176,597,033.15 = 75,034,587.69 : x
  2. Step 2: Convert to fraction form
    127,965,236.49/176,597,033.15 = 75,034,587.69/x
  3. Step 3: Cross multiply
    127,965,236.49x = 176,597,033.15 × 75,034,587.69
  4. Step 4: Simplify right side
    127,965,236.49x = 13,250,885,569,875,098
  5. Step 5: Solve for x
    x = 13,250,885,569,875,098/127,965,236.49
  6. Step 6: Final answer
    x = 103,550,666.83

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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.