Home / 85,164,887.20-127,747,330.80-46,806,656.80

Finding the Fourth Proportional to 85,164,887.20, 127,747,330.80 and 46,806,656.80

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Solution

The fourth proportional to 85,164,887.20, 127,747,330.80 and 46,806,656.80 is: 70,209,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,164,887.20 : 127,747,330.80 = 46,806,656.80 : x
  2. Step 2: Convert to fraction form
    85,164,887.20/127,747,330.80 = 46,806,656.80/x
  3. Step 3: Cross multiply
    85,164,887.20x = 127,747,330.80 × 46,806,656.80
  4. Step 4: Simplify right side
    85,164,887.20x = 5,979,425,469,871,669
  5. Step 5: Solve for x
    x = 5,979,425,469,871,669/85,164,887.20
  6. Step 6: Final answer
    x = 70,209,985.20

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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.