Home / 139,836,050,998.20-209,754,076,497.30-51,492,700,380.60

Finding the Fourth Proportional to 139,836,050,998.20, 209,754,076,497.30 and 51,492,700,380.60

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Solution

The fourth proportional to 139,836,050,998.20, 209,754,076,497.30 and 51,492,700,380.60 is: 77,239,050,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,836,050,998.20 : 209,754,076,497.30 = 51,492,700,380.60 : x
  2. Step 2: Convert to fraction form
    139,836,050,998.20/209,754,076,497.30 = 51,492,700,380.60/x
  3. Step 3: Cross multiply
    139,836,050,998.20x = 209,754,076,497.30 × 51,492,700,380.60
  4. Step 4: Simplify right side
    139,836,050,998.20x = 10,800,803,814,684,919,595,008
  5. Step 5: Solve for x
    x = 10,800,803,814,684,919,595,008/139,836,050,998.20
  6. Step 6: Final answer
    x = 77,239,050,570.90

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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.