Home / 210,348,561.90-316,958,625.53-172,850,084.94

Finding the Fourth Proportional to 210,348,561.90, 316,958,625.53 and 172,850,084.94

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Solution

The fourth proportional to 210,348,561.90, 316,958,625.53 and 172,850,084.94 is: 260,454,955.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,348,561.90 : 316,958,625.53 = 172,850,084.94 : x
  2. Step 2: Convert to fraction form
    210,348,561.90/316,958,625.53 = 172,850,084.94/x
  3. Step 3: Cross multiply
    210,348,561.90x = 316,958,625.53 × 172,850,084.94
  4. Step 4: Simplify right side
    210,348,561.90x = 54,786,325,345,326,144
  5. Step 5: Solve for x
    x = 54,786,325,345,326,144/210,348,561.90
  6. Step 6: Final answer
    x = 260,454,955.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.