Home / 217,761,622.56-300,510,875.88-119,976,478.56

Finding the Fourth Proportional to 217,761,622.56, 300,510,875.88 and 119,976,478.56

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Solution

The fourth proportional to 217,761,622.56, 300,510,875.88 and 119,976,478.56 is: 165,567,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,761,622.56 : 300,510,875.88 = 119,976,478.56 : x
  2. Step 2: Convert to fraction form
    217,761,622.56/300,510,875.88 = 119,976,478.56/x
  3. Step 3: Cross multiply
    217,761,622.56x = 300,510,875.88 × 119,976,478.56
  4. Step 4: Simplify right side
    217,761,622.56x = 36,054,236,657,063,640
  5. Step 5: Solve for x
    x = 36,054,236,657,063,640/217,761,622.56
  6. Step 6: Final answer
    x = 165,567,450.47

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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.