Home / 85,164,871.20-127,747,306.80-46,806,640.80

Finding the Fourth Proportional to 85,164,871.20, 127,747,306.80 and 46,806,640.80

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Solution

The fourth proportional to 85,164,871.20, 127,747,306.80 and 46,806,640.80 is: 70,209,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,164,871.20 : 127,747,306.80 = 46,806,640.80 : x
  2. Step 2: Convert to fraction form
    85,164,871.20/127,747,306.80 = 46,806,640.80/x
  3. Step 3: Cross multiply
    85,164,871.20x = 127,747,306.80 × 46,806,640.80
  4. Step 4: Simplify right side
    85,164,871.20x = 5,979,422,302,554,997
  5. Step 5: Solve for x
    x = 5,979,422,302,554,997/85,164,871.20
  6. Step 6: Final answer
    x = 70,209,961.20

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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.