Home / 217,218,336.40-325,796,011.80-63,848,400.40

Finding the Fourth Proportional to 217,218,336.40, 325,796,011.80 and 63,848,400.40

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Solution

The fourth proportional to 217,218,336.40, 325,796,011.80 and 63,848,400.40 is: 95,763,343.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,218,336.40 : 325,796,011.80 = 63,848,400.40 : x
  2. Step 2: Convert to fraction form
    217,218,336.40/325,796,011.80 = 63,848,400.40/x
  3. Step 3: Cross multiply
    217,218,336.40x = 325,796,011.80 × 63,848,400.40
  4. Step 4: Simplify right side
    217,218,336.40x = 20,801,554,210,129,524
  5. Step 5: Solve for x
    x = 20,801,554,210,129,524/217,218,336.40
  6. Step 6: Final answer
    x = 95,763,343.72

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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.