Home / 172,032,181.60-258,048,272.40-129,564,853.60

Finding the Fourth Proportional to 172,032,181.60, 258,048,272.40 and 129,564,853.60

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Solution

The fourth proportional to 172,032,181.60, 258,048,272.40 and 129,564,853.60 is: 194,347,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,032,181.60 : 258,048,272.40 = 129,564,853.60 : x
  2. Step 2: Convert to fraction form
    172,032,181.60/258,048,272.40 = 129,564,853.60/x
  3. Step 3: Cross multiply
    172,032,181.60x = 258,048,272.40 × 129,564,853.60
  4. Step 4: Simplify right side
    172,032,181.60x = 33,433,986,635,238,920
  5. Step 5: Solve for x
    x = 33,433,986,635,238,920/172,032,181.60
  6. Step 6: Final answer
    x = 194,347,280.40

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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.