Home / 140,020,457.74-210,028,997.13-36,380,492.39

Finding the Fourth Proportional to 140,020,457.74, 210,028,997.13 and 36,380,492.39

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Solution

The fourth proportional to 140,020,457.74, 210,028,997.13 and 36,380,492.39 is: 54,570,299.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,020,457.74 : 210,028,997.13 = 36,380,492.39 : x
  2. Step 2: Convert to fraction form
    140,020,457.74/210,028,997.13 = 36,380,492.39/x
  3. Step 3: Cross multiply
    140,020,457.74x = 210,028,997.13 × 36,380,492.39
  4. Step 4: Simplify right side
    140,020,457.74x = 7,640,958,332,155,578
  5. Step 5: Solve for x
    x = 7,640,958,332,155,578/140,020,457.74
  6. Step 6: Final answer
    x = 54,570,299.62

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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.