Home / 170,666,755-256,032,423.80-54,111,467.80

Finding the Fourth Proportional to 170,666,755, 256,032,423.80 and 54,111,467.80

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Solution

The fourth proportional to 170,666,755, 256,032,423.80 and 54,111,467.80 is: 81,177,439.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,666,755 : 256,032,423.80 = 54,111,467.80 : x
  2. Step 2: Convert to fraction form
    170,666,755/256,032,423.80 = 54,111,467.80/x
  3. Step 3: Cross multiply
    170,666,755x = 256,032,423.80 × 54,111,467.80
  4. Step 4: Simplify right side
    170,666,755x = 13,854,290,256,209,654
  5. Step 5: Solve for x
    x = 13,854,290,256,209,654/170,666,755
  6. Step 6: Final answer
    x = 81,177,439.95

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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.