Home / 144,814,908.60-217,474,305.30-76,790,460.60

Finding the Fourth Proportional to 144,814,908.60, 217,474,305.30 and 76,790,460.60

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Solution

The fourth proportional to 144,814,908.60, 217,474,305.30 and 76,790,460.60 is: 115,319,287.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,814,908.60 : 217,474,305.30 = 76,790,460.60 : x
  2. Step 2: Convert to fraction form
    144,814,908.60/217,474,305.30 = 76,790,460.60/x
  3. Step 3: Cross multiply
    144,814,908.60x = 217,474,305.30 × 76,790,460.60
  4. Step 4: Simplify right side
    144,814,908.60x = 16,699,952,072,652,020
  5. Step 5: Solve for x
    x = 16,699,952,072,652,020/144,814,908.60
  6. Step 6: Final answer
    x = 115,319,287.46

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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.