Home / 227,353,520.40-341,030,280.60-81,809,545.20

Finding the Fourth Proportional to 227,353,520.40, 341,030,280.60 and 81,809,545.20

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Solution

The fourth proportional to 227,353,520.40, 341,030,280.60 and 81,809,545.20 is: 122,714,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,353,520.40 : 341,030,280.60 = 81,809,545.20 : x
  2. Step 2: Convert to fraction form
    227,353,520.40/341,030,280.60 = 81,809,545.20/x
  3. Step 3: Cross multiply
    227,353,520.40x = 341,030,280.60 × 81,809,545.20
  4. Step 4: Simplify right side
    227,353,520.40x = 27,899,532,155,314,388
  5. Step 5: Solve for x
    x = 27,899,532,155,314,388/227,353,520.40
  6. Step 6: Final answer
    x = 122,714,317.80

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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.