Home / 85,271,883.20-117,713,628-54,373,584.32

Finding the Fourth Proportional to 85,271,883.20, 117,713,628 and 54,373,584.32

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Solution

The fourth proportional to 85,271,883.20, 117,713,628 and 54,373,584.32 is: 75,060,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,271,883.20 : 117,713,628 = 54,373,584.32 : x
  2. Step 2: Convert to fraction form
    85,271,883.20/117,713,628 = 54,373,584.32/x
  3. Step 3: Cross multiply
    85,271,883.20x = 117,713,628 × 54,373,584.32
  4. Step 4: Simplify right side
    85,271,883.20x = 6,400,511,877,671,113
  5. Step 5: Solve for x
    x = 6,400,511,877,671,113/85,271,883.20
  6. Step 6: Final answer
    x = 75,060,050.72

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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.