Home / 339,269,022.70-508,903,534.05-121,165,636.30

Finding the Fourth Proportional to 339,269,022.70, 508,903,534.05 and 121,165,636.30

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Solution

The fourth proportional to 339,269,022.70, 508,903,534.05 and 121,165,636.30 is: 181,748,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,269,022.70 : 508,903,534.05 = 121,165,636.30 : x
  2. Step 2: Convert to fraction form
    339,269,022.70/508,903,534.05 = 121,165,636.30/x
  3. Step 3: Cross multiply
    339,269,022.70x = 508,903,534.05 × 121,165,636.30
  4. Step 4: Simplify right side
    339,269,022.70x = 61,661,620,518,486,968
  5. Step 5: Solve for x
    x = 61,661,620,518,486,968/339,269,022.70
  6. Step 6: Final answer
    x = 181,748,454.45

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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.