Home / 315,561,786.39-435,466,911.75-176,333,692.23

Finding the Fourth Proportional to 315,561,786.39, 435,466,911.75 and 176,333,692.23

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Solution

The fourth proportional to 315,561,786.39, 435,466,911.75 and 176,333,692.23 is: 243,335,827.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,561,786.39 : 435,466,911.75 = 176,333,692.23 : x
  2. Step 2: Convert to fraction form
    315,561,786.39/435,466,911.75 = 176,333,692.23/x
  3. Step 3: Cross multiply
    315,561,786.39x = 435,466,911.75 × 176,333,692.23
  4. Step 4: Simplify right side
    315,561,786.39x = 76,787,488,389,814,064
  5. Step 5: Solve for x
    x = 76,787,488,389,814,064/315,561,786.39
  6. Step 6: Final answer
    x = 243,335,827.41

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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.