Home / 123,761,074.16-170,780,283.94-71,553,474.28

Finding the Fourth Proportional to 123,761,074.16, 170,780,283.94 and 71,553,474.28

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Solution

The fourth proportional to 123,761,074.16, 170,780,283.94 and 71,553,474.28 is: 98,738,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,761,074.16 : 170,780,283.94 = 71,553,474.28 : x
  2. Step 2: Convert to fraction form
    123,761,074.16/170,780,283.94 = 71,553,474.28/x
  3. Step 3: Cross multiply
    123,761,074.16x = 170,780,283.94 × 71,553,474.28
  4. Step 4: Simplify right side
    123,761,074.16x = 12,219,922,654,431,888
  5. Step 5: Solve for x
    x = 12,219,922,654,431,888/123,761,074.16
  6. Step 6: Final answer
    x = 98,738,013.85

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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.