Home / 218,001,614.36-300,835,522.40-123,926,037.89

Finding the Fourth Proportional to 218,001,614.36, 300,835,522.40 and 123,926,037.89

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Solution

The fourth proportional to 218,001,614.36, 300,835,522.40 and 123,926,037.89 is: 171,014,120.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,001,614.36 : 300,835,522.40 = 123,926,037.89 : x
  2. Step 2: Convert to fraction form
    218,001,614.36/300,835,522.40 = 123,926,037.89/x
  3. Step 3: Cross multiply
    218,001,614.36x = 300,835,522.40 × 123,926,037.89
  4. Step 4: Simplify right side
    218,001,614.36x = 37,281,354,345,476,536
  5. Step 5: Solve for x
    x = 37,281,354,345,476,536/218,001,614.36
  6. Step 6: Final answer
    x = 171,014,120.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.