Home / 308,028,910.60-462,038,899.02-74,861,351.56

Finding the Fourth Proportional to 308,028,910.60, 462,038,899.02 and 74,861,351.56

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Solution

The fourth proportional to 308,028,910.60, 462,038,899.02 and 74,861,351.56 is: 112,290,941.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,028,910.60 : 462,038,899.02 = 74,861,351.56 : x
  2. Step 2: Convert to fraction form
    308,028,910.60/462,038,899.02 = 74,861,351.56/x
  3. Step 3: Cross multiply
    308,028,910.60x = 462,038,899.02 × 74,861,351.56
  4. Step 4: Simplify right side
    308,028,910.60x = 34,588,856,453,931,560
  5. Step 5: Solve for x
    x = 34,588,856,453,931,560/308,028,910.60
  6. Step 6: Final answer
    x = 112,290,941.74

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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.