Home / 421,996,506.86-632,937,296.69-111,078,086.96

Finding the Fourth Proportional to 421,996,506.86, 632,937,296.69 and 111,078,086.96

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Solution

The fourth proportional to 421,996,506.86, 632,937,296.69 and 111,078,086.96 is: 166,602,004.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,996,506.86 : 632,937,296.69 = 111,078,086.96 : x
  2. Step 2: Convert to fraction form
    421,996,506.86/632,937,296.69 = 111,078,086.96/x
  3. Step 3: Cross multiply
    421,996,506.86x = 632,937,296.69 × 111,078,086.96
  4. Step 4: Simplify right side
    421,996,506.86x = 70,305,464,081,403,736
  5. Step 5: Solve for x
    x = 70,305,464,081,403,736/421,996,506.86
  6. Step 6: Final answer
    x = 166,602,004.85

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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.