Home / 102,557,658.20-153,936,020.10-51,497,331.80

Finding the Fourth Proportional to 102,557,658.20, 153,936,020.10 and 51,497,331.80

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Solution

The fourth proportional to 102,557,658.20, 153,936,020.10 and 51,497,331.80 is: 77,295,976.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,557,658.20 : 153,936,020.10 = 51,497,331.80 : x
  2. Step 2: Convert to fraction form
    102,557,658.20/153,936,020.10 = 51,497,331.80/x
  3. Step 3: Cross multiply
    102,557,658.20x = 153,936,020.10 × 51,497,331.80
  4. Step 4: Simplify right side
    102,557,658.20x = 7,927,294,303,061,168
  5. Step 5: Solve for x
    x = 7,927,294,303,061,168/102,557,658.20
  6. Step 6: Final answer
    x = 77,295,976.16

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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.