Home / 65,250,018.95-90,022,989.23-36,989,361.88

Finding the Fourth Proportional to 65,250,018.95, 90,022,989.23 and 36,989,361.88

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Solution

The fourth proportional to 65,250,018.95, 90,022,989.23 and 36,989,361.88 is: 51,032,826.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,250,018.95 : 90,022,989.23 = 36,989,361.88 : x
  2. Step 2: Convert to fraction form
    65,250,018.95/90,022,989.23 = 36,989,361.88/x
  3. Step 3: Cross multiply
    65,250,018.95x = 90,022,989.23 × 36,989,361.88
  4. Step 4: Simplify right side
    65,250,018.95x = 3,329,892,925,750,036
  5. Step 5: Solve for x
    x = 3,329,892,925,750,036/65,250,018.95
  6. Step 6: Final answer
    x = 51,032,826.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.