Home / 172,488,658.40-258,732,987.60-141,877,656.80

Finding the Fourth Proportional to 172,488,658.40, 258,732,987.60 and 141,877,656.80

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Solution

The fourth proportional to 172,488,658.40, 258,732,987.60 and 141,877,656.80 is: 212,816,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,488,658.40 : 258,732,987.60 = 141,877,656.80 : x
  2. Step 2: Convert to fraction form
    172,488,658.40/258,732,987.60 = 141,877,656.80/x
  3. Step 3: Cross multiply
    172,488,658.40x = 258,732,987.60 × 141,877,656.80
  4. Step 4: Simplify right side
    172,488,658.40x = 36,708,430,017,551,456
  5. Step 5: Solve for x
    x = 36,708,430,017,551,456/172,488,658.40
  6. Step 6: Final answer
    x = 212,816,485.20

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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.