Home / 170,423,798.40-255,131,812.80-160,458,076.80

Finding the Fourth Proportional to 170,423,798.40, 255,131,812.80 and 160,458,076.80

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Solution

The fourth proportional to 170,423,798.40, 255,131,812.80 and 160,458,076.80 is: 240,212,695.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,423,798.40 : 255,131,812.80 = 160,458,076.80 : x
  2. Step 2: Convert to fraction form
    170,423,798.40/255,131,812.80 = 160,458,076.80/x
  3. Step 3: Cross multiply
    170,423,798.40x = 255,131,812.80 × 160,458,076.80
  4. Step 4: Simplify right side
    170,423,798.40x = 40,937,960,012,385,624
  5. Step 5: Solve for x
    x = 40,937,960,012,385,624/170,423,798.40
  6. Step 6: Final answer
    x = 240,212,695.63

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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.