Home / 209,953,495.05-314,930,242.58-166,115,517.45

Finding the Fourth Proportional to 209,953,495.05, 314,930,242.58 and 166,115,517.45

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Solution

The fourth proportional to 209,953,495.05, 314,930,242.58 and 166,115,517.45 is: 249,173,276.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,495.05 : 314,930,242.58 = 166,115,517.45 : x
  2. Step 2: Convert to fraction form
    209,953,495.05/314,930,242.58 = 166,115,517.45/x
  3. Step 3: Cross multiply
    209,953,495.05x = 314,930,242.58 × 166,115,517.45
  4. Step 4: Simplify right side
    209,953,495.05x = 52,314,800,206,000,136
  5. Step 5: Solve for x
    x = 52,314,800,206,000,136/209,953,495.05
  6. Step 6: Final answer
    x = 249,173,276.18

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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.