Home / 205,430,142.60-283,868,973.73-149,578,267.78

Finding the Fourth Proportional to 205,430,142.60, 283,868,973.73 and 149,578,267.78

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Solution

The fourth proportional to 205,430,142.60, 283,868,973.73 and 149,578,267.78 is: 206,691,329.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,430,142.60 : 283,868,973.73 = 149,578,267.78 : x
  2. Step 2: Convert to fraction form
    205,430,142.60/283,868,973.73 = 149,578,267.78/x
  3. Step 3: Cross multiply
    205,430,142.60x = 283,868,973.73 × 149,578,267.78
  4. Step 4: Simplify right side
    205,430,142.60x = 42,460,629,367,561,536
  5. Step 5: Solve for x
    x = 42,460,629,367,561,536/205,430,142.60
  6. Step 6: Final answer
    x = 206,691,329.86

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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.