Home / 170,377,110-255,463,371.72-78,145,313.04

Finding the Fourth Proportional to 170,377,110, 255,463,371.72 and 78,145,313.04

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Solution

The fourth proportional to 170,377,110, 255,463,371.72 and 78,145,313.04 is: 117,171,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,377,110 : 255,463,371.72 = 78,145,313.04 : x
  2. Step 2: Convert to fraction form
    170,377,110/255,463,371.72 = 78,145,313.04/x
  3. Step 3: Cross multiply
    170,377,110x = 255,463,371.72 × 78,145,313.04
  4. Step 4: Simplify right side
    170,377,110x = 19,963,265,153,313,284
  5. Step 5: Solve for x
    x = 19,963,265,153,313,284/170,377,110
  6. Step 6: Final answer
    x = 117,171,051.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.