Home / 172,048,998.40-258,073,497.60-117,549,260.80

Finding the Fourth Proportional to 172,048,998.40, 258,073,497.60 and 117,549,260.80

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Solution

The fourth proportional to 172,048,998.40, 258,073,497.60 and 117,549,260.80 is: 176,323,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,048,998.40 : 258,073,497.60 = 117,549,260.80 : x
  2. Step 2: Convert to fraction form
    172,048,998.40/258,073,497.60 = 117,549,260.80/x
  3. Step 3: Cross multiply
    172,048,998.40x = 258,073,497.60 × 117,549,260.80
  4. Step 4: Simplify right side
    172,048,998.40x = 30,336,348,874,950,572
  5. Step 5: Solve for x
    x = 30,336,348,874,950,572/172,048,998.40
  6. Step 6: Final answer
    x = 176,323,891.20

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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.