Home / 218,534,021.94-301,573,307.58-119,412,591.78

Finding the Fourth Proportional to 218,534,021.94, 301,573,307.58 and 119,412,591.78

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Solution

The fourth proportional to 218,534,021.94, 301,573,307.58 and 119,412,591.78 is: 164,787,386.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,534,021.94 : 301,573,307.58 = 119,412,591.78 : x
  2. Step 2: Convert to fraction form
    218,534,021.94/301,573,307.58 = 119,412,591.78/x
  3. Step 3: Cross multiply
    218,534,021.94x = 301,573,307.58 × 119,412,591.78
  4. Step 4: Simplify right side
    218,534,021.94x = 36,011,650,269,794,920
  5. Step 5: Solve for x
    x = 36,011,650,269,794,920/218,534,021.94
  6. Step 6: Final answer
    x = 164,787,386.19

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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.