Home / 170,642,145.80-255,963,218.70-165,859,176.80

Finding the Fourth Proportional to 170,642,145.80, 255,963,218.70 and 165,859,176.80

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Solution

The fourth proportional to 170,642,145.80, 255,963,218.70 and 165,859,176.80 is: 248,788,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,642,145.80 : 255,963,218.70 = 165,859,176.80 : x
  2. Step 2: Convert to fraction form
    170,642,145.80/255,963,218.70 = 165,859,176.80/x
  3. Step 3: Cross multiply
    170,642,145.80x = 255,963,218.70 × 165,859,176.80
  4. Step 4: Simplify right side
    170,642,145.80x = 42,453,848,744,660,368
  5. Step 5: Solve for x
    x = 42,453,848,744,660,368/170,642,145.80
  6. Step 6: Final answer
    x = 248,788,765.20

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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.