Home / 210,348,667.20-316,958,783.94-172,850,190.24

Finding the Fourth Proportional to 210,348,667.20, 316,958,783.94 and 172,850,190.24

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Solution

The fourth proportional to 210,348,667.20, 316,958,783.94 and 172,850,190.24 is: 260,455,114.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,348,667.20 : 316,958,783.94 = 172,850,190.24 : x
  2. Step 2: Convert to fraction form
    210,348,667.20/316,958,783.94 = 172,850,190.24/x
  3. Step 3: Cross multiply
    210,348,667.20x = 316,958,783.94 × 172,850,190.24
  4. Step 4: Simplify right side
    210,348,667.20x = 54,786,386,102,268,056
  5. Step 5: Solve for x
    x = 54,786,386,102,268,056/210,348,667.20
  6. Step 6: Final answer
    x = 260,455,114.03

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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.