Home / 102,218,007.40-153,327,011.10-51,107,914.60

Finding the Fourth Proportional to 102,218,007.40, 153,327,011.10 and 51,107,914.60

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Solution

The fourth proportional to 102,218,007.40, 153,327,011.10 and 51,107,914.60 is: 76,661,871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,218,007.40 : 153,327,011.10 = 51,107,914.60 : x
  2. Step 2: Convert to fraction form
    102,218,007.40/153,327,011.10 = 51,107,914.60/x
  3. Step 3: Cross multiply
    102,218,007.40x = 153,327,011.10 × 51,107,914.60
  4. Step 4: Simplify right side
    102,218,007.40x = 7,836,223,789,172,052
  5. Step 5: Solve for x
    x = 7,836,223,789,172,052/102,218,007.40
  6. Step 6: Final answer
    x = 76,661,871.90

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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.