Home / 136,703,999.60-205,055,999.40-127,679,692.40

Finding the Fourth Proportional to 136,703,999.60, 205,055,999.40 and 127,679,692.40

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Solution

The fourth proportional to 136,703,999.60, 205,055,999.40 and 127,679,692.40 is: 191,519,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,703,999.60 : 205,055,999.40 = 127,679,692.40 : x
  2. Step 2: Convert to fraction form
    136,703,999.60/205,055,999.40 = 127,679,692.40/x
  3. Step 3: Cross multiply
    136,703,999.60x = 205,055,999.40 × 127,679,692.40
  4. Step 4: Simplify right side
    136,703,999.60x = 26,181,486,928,166,588
  5. Step 5: Solve for x
    x = 26,181,486,928,166,588/136,703,999.60
  6. Step 6: Final answer
    x = 191,519,538.60

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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.