Home / 210,432,997.60-314,799,190.80-181,994,999.20

Finding the Fourth Proportional to 210,432,997.60, 314,799,190.80 and 181,994,999.20

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Solution

The fourth proportional to 210,432,997.60, 314,799,190.80 and 181,994,999.20 is: 272,257,103.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,432,997.60 : 314,799,190.80 = 181,994,999.20 : x
  2. Step 2: Convert to fraction form
    210,432,997.60/314,799,190.80 = 181,994,999.20/x
  3. Step 3: Cross multiply
    210,432,997.60x = 314,799,190.80 × 181,994,999.20
  4. Step 4: Simplify right side
    210,432,997.60x = 57,291,878,477,806,648
  5. Step 5: Solve for x
    x = 57,291,878,477,806,648/210,432,997.60
  6. Step 6: Final answer
    x = 272,257,103.83

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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.