Home / 218,724,713.25-301,697,880.98-140,284,021.65

Finding the Fourth Proportional to 218,724,713.25, 301,697,880.98 and 140,284,021.65

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Solution

The fourth proportional to 218,724,713.25, 301,697,880.98 and 140,284,021.65 is: 193,500,731.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,724,713.25 : 301,697,880.98 = 140,284,021.65 : x
  2. Step 2: Convert to fraction form
    218,724,713.25/301,697,880.98 = 140,284,021.65/x
  3. Step 3: Cross multiply
    218,724,713.25x = 301,697,880.98 × 140,284,021.65
  4. Step 4: Simplify right side
    218,724,713.25x = 42,323,392,066,456,032
  5. Step 5: Solve for x
    x = 42,323,392,066,456,032/218,724,713.25
  6. Step 6: Final answer
    x = 193,500,731.75

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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.