Home / 116,775,967.06-161,148,834.75-83,347,000.30

Finding the Fourth Proportional to 116,775,967.06, 161,148,834.75 and 83,347,000.30

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Solution

The fourth proportional to 116,775,967.06, 161,148,834.75 and 83,347,000.30 is: 115,017,433.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,775,967.06 : 161,148,834.75 = 83,347,000.30 : x
  2. Step 2: Convert to fraction form
    116,775,967.06/161,148,834.75 = 83,347,000.30/x
  3. Step 3: Cross multiply
    116,775,967.06x = 161,148,834.75 × 83,347,000.30
  4. Step 4: Simplify right side
    116,775,967.06x = 13,431,271,978,252,900
  5. Step 5: Solve for x
    x = 13,431,271,978,252,900/116,775,967.06
  6. Step 6: Final answer
    x = 115,017,433.09

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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.