Home / 168,503,851.80-252,755,777.70-77,804,587.80

Finding the Fourth Proportional to 168,503,851.80, 252,755,777.70 and 77,804,587.80

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Solution

The fourth proportional to 168,503,851.80, 252,755,777.70 and 77,804,587.80 is: 116,706,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,503,851.80 : 252,755,777.70 = 77,804,587.80 : x
  2. Step 2: Convert to fraction form
    168,503,851.80/252,755,777.70 = 77,804,587.80/x
  3. Step 3: Cross multiply
    168,503,851.80x = 252,755,777.70 × 77,804,587.80
  4. Step 4: Simplify right side
    168,503,851.80x = 19,665,559,098,016,932
  5. Step 5: Solve for x
    x = 19,665,559,098,016,932/168,503,851.80
  6. Step 6: Final answer
    x = 116,706,881.70

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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.