Home / 209,953,991.70-314,930,987.55-73,590,167.70

Finding the Fourth Proportional to 209,953,991.70, 314,930,987.55 and 73,590,167.70

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Solution

The fourth proportional to 209,953,991.70, 314,930,987.55 and 73,590,167.70 is: 110,385,251.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,991.70 : 314,930,987.55 = 73,590,167.70 : x
  2. Step 2: Convert to fraction form
    209,953,991.70/314,930,987.55 = 73,590,167.70/x
  3. Step 3: Cross multiply
    209,953,991.70x = 314,930,987.55 × 73,590,167.70
  4. Step 4: Simplify right side
    209,953,991.70x = 23,175,824,187,731,112
  5. Step 5: Solve for x
    x = 23,175,824,187,731,112/209,953,991.70
  6. Step 6: Final answer
    x = 110,385,251.55

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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.