Home / 118,116,692.80-177,175,039.20-66,248,051.20

Finding the Fourth Proportional to 118,116,692.80, 177,175,039.20 and 66,248,051.20

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Solution

The fourth proportional to 118,116,692.80, 177,175,039.20 and 66,248,051.20 is: 99,372,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,116,692.80 : 177,175,039.20 = 66,248,051.20 : x
  2. Step 2: Convert to fraction form
    118,116,692.80/177,175,039.20 = 66,248,051.20/x
  3. Step 3: Cross multiply
    118,116,692.80x = 177,175,039.20 × 66,248,051.20
  4. Step 4: Simplify right side
    118,116,692.80x = 11,737,501,068,283,606
  5. Step 5: Solve for x
    x = 11,737,501,068,283,606/118,116,692.80
  6. Step 6: Final answer
    x = 99,372,076.80

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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.