Home / 170,154,661.42-255,080,569.38-66,500,294.68

Finding the Fourth Proportional to 170,154,661.42, 255,080,569.38 and 66,500,294.68

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Solution

The fourth proportional to 170,154,661.42, 255,080,569.38 and 66,500,294.68 is: 99,691,262.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,154,661.42 : 255,080,569.38 = 66,500,294.68 : x
  2. Step 2: Convert to fraction form
    170,154,661.42/255,080,569.38 = 66,500,294.68/x
  3. Step 3: Cross multiply
    170,154,661.42x = 255,080,569.38 × 66,500,294.68
  4. Step 4: Simplify right side
    170,154,661.42x = 16,962,933,030,912,184
  5. Step 5: Solve for x
    x = 16,962,933,030,912,184/170,154,661.42
  6. Step 6: Final answer
    x = 99,691,262.58

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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.