Home / 209,564,902,297.90-314,347,353,446.85-115,201,388,032.30

Finding the Fourth Proportional to 209,564,902,297.90, 314,347,353,446.85 and 115,201,388,032.30

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Solution

The fourth proportional to 209,564,902,297.90, 314,347,353,446.85 and 115,201,388,032.30 is: 172,802,082,048.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,564,902,297.90 : 314,347,353,446.85 = 115,201,388,032.30 : x
  2. Step 2: Convert to fraction form
    209,564,902,297.90/314,347,353,446.85 = 115,201,388,032.30/x
  3. Step 3: Cross multiply
    209,564,902,297.90x = 314,347,353,446.85 × 115,201,388,032.30
  4. Step 4: Simplify right side
    209,564,902,297.90x = 36,213,251,441,357,121,126,400
  5. Step 5: Solve for x
    x = 36,213,251,441,357,121,126,400/209,564,902,297.90
  6. Step 6: Final answer
    x = 172,802,082,048.45

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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.