Home / 218,536,327,803.65-301,559,893,744.92-120,875,866,828.36

Finding the Fourth Proportional to 218,536,327,803.65, 301,559,893,744.92 and 120,875,866,828.36

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Solution

The fourth proportional to 218,536,327,803.65, 301,559,893,744.92 and 120,875,866,828.36 is: 166,797,501,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,536,327,803.65 : 301,559,893,744.92 = 120,875,866,828.36 : x
  2. Step 2: Convert to fraction form
    218,536,327,803.65/301,559,893,744.92 = 120,875,866,828.36/x
  3. Step 3: Cross multiply
    218,536,327,803.65x = 301,559,893,744.92 × 120,875,866,828.36
  4. Step 4: Simplify right side
    218,536,327,803.65x = 36,451,313,557,085,341,351,936
  5. Step 5: Solve for x
    x = 36,451,313,557,085,341,351,936/218,536,327,803.65
  6. Step 6: Final answer
    x = 166,797,501,923.05

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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.