Home / 168,503,862.80-252,755,794.20-77,804,598.80

Finding the Fourth Proportional to 168,503,862.80, 252,755,794.20 and 77,804,598.80

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Solution

The fourth proportional to 168,503,862.80, 252,755,794.20 and 77,804,598.80 is: 116,706,898.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,503,862.80 : 252,755,794.20 = 77,804,598.80 : x
  2. Step 2: Convert to fraction form
    168,503,862.80/252,755,794.20 = 77,804,598.80/x
  3. Step 3: Cross multiply
    168,503,862.80x = 252,755,794.20 × 77,804,598.80
  4. Step 4: Simplify right side
    168,503,862.80x = 19,665,563,162,106,364
  5. Step 5: Solve for x
    x = 19,665,563,162,106,364/168,503,862.80
  6. Step 6: Final answer
    x = 116,706,898.20

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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.