Home / 172,532,290.40-258,798,435.60-156,607,042.40

Finding the Fourth Proportional to 172,532,290.40, 258,798,435.60 and 156,607,042.40

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Solution

The fourth proportional to 172,532,290.40, 258,798,435.60 and 156,607,042.40 is: 234,910,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,532,290.40 : 258,798,435.60 = 156,607,042.40 : x
  2. Step 2: Convert to fraction form
    172,532,290.40/258,798,435.60 = 156,607,042.40/x
  3. Step 3: Cross multiply
    172,532,290.40x = 258,798,435.60 × 156,607,042.40
  4. Step 4: Simplify right side
    172,532,290.40x = 40,529,657,577,062,872
  5. Step 5: Solve for x
    x = 40,529,657,577,062,872/172,532,290.40
  6. Step 6: Final answer
    x = 234,910,563.60

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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.