Home / 112,763,059.40-169,128,000.30-31,992,192.20

Finding the Fourth Proportional to 112,763,059.40, 169,128,000.30 and 31,992,192.20

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Solution

The fourth proportional to 112,763,059.40, 169,128,000.30 and 31,992,192.20 is: 47,983,581.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,763,059.40 : 169,128,000.30 = 31,992,192.20 : x
  2. Step 2: Convert to fraction form
    112,763,059.40/169,128,000.30 = 31,992,192.20/x
  3. Step 3: Cross multiply
    112,763,059.40x = 169,128,000.30 × 31,992,192.20
  4. Step 4: Simplify right side
    112,763,059.40x = 5,410,775,491,999,258
  5. Step 5: Solve for x
    x = 5,410,775,491,999,258/112,763,059.40
  6. Step 6: Final answer
    x = 47,983,581.86

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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.