Home / 120,227,987,568.87-180,185,099,970.02-67,166,877,395.43

Finding the Fourth Proportional to 120,227,987,568.87, 180,185,099,970.02 and 67,166,877,395.43

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Solution

The fourth proportional to 120,227,987,568.87, 180,185,099,970.02 and 67,166,877,395.43 is: 100,662,672,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,227,987,568.87 : 180,185,099,970.02 = 67,166,877,395.43 : x
  2. Step 2: Convert to fraction form
    120,227,987,568.87/180,185,099,970.02 = 67,166,877,395.43/x
  3. Step 3: Cross multiply
    120,227,987,568.87x = 180,185,099,970.02 × 67,166,877,395.43
  4. Step 4: Simplify right side
    120,227,987,568.87x = 12,102,470,518,169,629,884,416
  5. Step 5: Solve for x
    x = 12,102,470,518,169,629,884,416/120,227,987,568.87
  6. Step 6: Final answer
    x = 100,662,672,335.23

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1.5x scale

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.