Home / 55,907,553.71-76,981,313.10-55,746,128.51

Finding the Fourth Proportional to 55,907,553.71, 76,981,313.10 and 55,746,128.51

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Solution

The fourth proportional to 55,907,553.71, 76,981,313.10 and 55,746,128.51 is: 76,759,040.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,907,553.71 : 76,981,313.10 = 55,746,128.51 : x
  2. Step 2: Convert to fraction form
    55,907,553.71/76,981,313.10 = 55,746,128.51/x
  3. Step 3: Cross multiply
    55,907,553.71x = 76,981,313.10 × 55,746,128.51
  4. Step 4: Simplify right side
    55,907,553.71x = 4,291,410,172,277,509.50
  5. Step 5: Solve for x
    x = 4,291,410,172,277,509.50/55,907,553.71
  6. Step 6: Final answer
    x = 76,759,040.38

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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.