Home / 170,642,145.30-255,963,217.95-165,859,176.30

Finding the Fourth Proportional to 170,642,145.30, 255,963,217.95 and 165,859,176.30

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Solution

The fourth proportional to 170,642,145.30, 255,963,217.95 and 165,859,176.30 is: 248,788,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,642,145.30 : 255,963,217.95 = 165,859,176.30 : x
  2. Step 2: Convert to fraction form
    170,642,145.30/255,963,217.95 = 165,859,176.30/x
  3. Step 3: Cross multiply
    170,642,145.30x = 255,963,217.95 × 165,859,176.30
  4. Step 4: Simplify right side
    170,642,145.30x = 42,453,848,492,284,376
  5. Step 5: Solve for x
    x = 42,453,848,492,284,376/170,642,145.30
  6. Step 6: Final answer
    x = 248,788,764.45

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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.