Home / 85,292,108.80-127,859,692.60-46,373,687.92

Finding the Fourth Proportional to 85,292,108.80, 127,859,692.60 and 46,373,687.92

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Solution

The fourth proportional to 85,292,108.80, 127,859,692.60 and 46,373,687.92 is: 69,517,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,292,108.80 : 127,859,692.60 = 46,373,687.92 : x
  2. Step 2: Convert to fraction form
    85,292,108.80/127,859,692.60 = 46,373,687.92/x
  3. Step 3: Cross multiply
    85,292,108.80x = 127,859,692.60 × 46,373,687.92
  4. Step 4: Simplify right side
    85,292,108.80x = 5,929,325,482,179,533
  5. Step 5: Solve for x
    x = 5,929,325,482,179,533/85,292,108.80
  6. Step 6: Final answer
    x = 69,517,867.08

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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.