Home / 85,164,830.70-127,747,246.05-46,806,600.30

Finding the Fourth Proportional to 85,164,830.70, 127,747,246.05 and 46,806,600.30

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Solution

The fourth proportional to 85,164,830.70, 127,747,246.05 and 46,806,600.30 is: 70,209,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,164,830.70 : 127,747,246.05 = 46,806,600.30 : x
  2. Step 2: Convert to fraction form
    85,164,830.70/127,747,246.05 = 46,806,600.30/x
  3. Step 3: Cross multiply
    85,164,830.70x = 127,747,246.05 × 46,806,600.30
  4. Step 4: Simplify right side
    85,164,830.70x = 5,979,414,285,288,103
  5. Step 5: Solve for x
    x = 5,979,414,285,288,103/85,164,830.70
  6. Step 6: Final answer
    x = 70,209,900.45

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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.