Home / 123,310,772.64-170,168,807.07-73,751,145.48

Finding the Fourth Proportional to 123,310,772.64, 170,168,807.07 and 73,751,145.48

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Solution

The fourth proportional to 123,310,772.64, 170,168,807.07 and 73,751,145.48 is: 101,776,545.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,310,772.64 : 170,168,807.07 = 73,751,145.48 : x
  2. Step 2: Convert to fraction form
    123,310,772.64/170,168,807.07 = 73,751,145.48/x
  3. Step 3: Cross multiply
    123,310,772.64x = 170,168,807.07 × 73,751,145.48
  4. Step 4: Simplify right side
    123,310,772.64x = 12,550,144,446,377,622
  5. Step 5: Solve for x
    x = 12,550,144,446,377,622/123,310,772.64
  6. Step 6: Final answer
    x = 101,776,545.37

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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.