Home / 89,457,067.80-134,185,601.70-57,208,440.60

Finding the Fourth Proportional to 89,457,067.80, 134,185,601.70 and 57,208,440.60

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Solution

The fourth proportional to 89,457,067.80, 134,185,601.70 and 57,208,440.60 is: 85,812,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,457,067.80 : 134,185,601.70 = 57,208,440.60 : x
  2. Step 2: Convert to fraction form
    89,457,067.80/134,185,601.70 = 57,208,440.60/x
  3. Step 3: Cross multiply
    89,457,067.80x = 134,185,601.70 × 57,208,440.60
  4. Step 4: Simplify right side
    89,457,067.80x = 7,676,549,024,229,709
  5. Step 5: Solve for x
    x = 7,676,549,024,229,709/89,457,067.80
  6. Step 6: Final answer
    x = 85,812,660.90

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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.