Home / 178,848,664.80-268,272,997.20-126,892,543.20

Finding the Fourth Proportional to 178,848,664.80, 268,272,997.20 and 126,892,543.20

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Solution

The fourth proportional to 178,848,664.80, 268,272,997.20 and 126,892,543.20 is: 190,338,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,848,664.80 : 268,272,997.20 = 126,892,543.20 : x
  2. Step 2: Convert to fraction form
    178,848,664.80/268,272,997.20 = 126,892,543.20/x
  3. Step 3: Cross multiply
    178,848,664.80x = 268,272,997.20 × 126,892,543.20
  4. Step 4: Simplify right side
    178,848,664.80x = 34,041,842,886,594,480
  5. Step 5: Solve for x
    x = 34,041,842,886,594,480/178,848,664.80
  6. Step 6: Final answer
    x = 190,338,814.80

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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.