Home / 142,164,009.15-213,246,013.73-116,335,976.55

Finding the Fourth Proportional to 142,164,009.15, 213,246,013.73 and 116,335,976.55

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Solution

The fourth proportional to 142,164,009.15, 213,246,013.73 and 116,335,976.55 is: 174,503,964.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,164,009.15 : 213,246,013.73 = 116,335,976.55 : x
  2. Step 2: Convert to fraction form
    142,164,009.15/213,246,013.73 = 116,335,976.55/x
  3. Step 3: Cross multiply
    142,164,009.15x = 213,246,013.73 × 116,335,976.55
  4. Step 4: Simplify right side
    142,164,009.15x = 24,808,183,252,092,576
  5. Step 5: Solve for x
    x = 24,808,183,252,092,576/142,164,009.15
  6. Step 6: Final answer
    x = 174,503,964.83

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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.