Home / 171,936,644.40-257,904,966.60-110,714,641.20

Finding the Fourth Proportional to 171,936,644.40, 257,904,966.60 and 110,714,641.20

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Solution

The fourth proportional to 171,936,644.40, 257,904,966.60 and 110,714,641.20 is: 166,071,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,936,644.40 : 257,904,966.60 = 110,714,641.20 : x
  2. Step 2: Convert to fraction form
    171,936,644.40/257,904,966.60 = 110,714,641.20/x
  3. Step 3: Cross multiply
    171,936,644.40x = 257,904,966.60 × 110,714,641.20
  4. Step 4: Simplify right side
    171,936,644.40x = 28,553,855,840,816,984
  5. Step 5: Solve for x
    x = 28,553,855,840,816,984/171,936,644.40
  6. Step 6: Final answer
    x = 166,071,961.80

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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.