Home / 170,769,828.80-256,154,743.20-43,119,012.80

Finding the Fourth Proportional to 170,769,828.80, 256,154,743.20 and 43,119,012.80

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Solution

The fourth proportional to 170,769,828.80, 256,154,743.20 and 43,119,012.80 is: 64,678,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,769,828.80 : 256,154,743.20 = 43,119,012.80 : x
  2. Step 2: Convert to fraction form
    170,769,828.80/256,154,743.20 = 43,119,012.80/x
  3. Step 3: Cross multiply
    170,769,828.80x = 256,154,743.20 × 43,119,012.80
  4. Step 4: Simplify right side
    170,769,828.80x = 11,045,139,650,821,512
  5. Step 5: Solve for x
    x = 11,045,139,650,821,512/170,769,828.80
  6. Step 6: Final answer
    x = 64,678,519.20

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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.