Home / 119,866,558.16-165,416,137.80-64,863,004.88

Finding the Fourth Proportional to 119,866,558.16, 165,416,137.80 and 64,863,004.88

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Solution

The fourth proportional to 119,866,558.16, 165,416,137.80 and 64,863,004.88 is: 89,511,102.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,866,558.16 : 165,416,137.80 = 64,863,004.88 : x
  2. Step 2: Convert to fraction form
    119,866,558.16/165,416,137.80 = 64,863,004.88/x
  3. Step 3: Cross multiply
    119,866,558.16x = 165,416,137.80 × 64,863,004.88
  4. Step 4: Simplify right side
    119,866,558.16x = 10,729,387,753,352,154
  5. Step 5: Solve for x
    x = 10,729,387,753,352,154/119,866,558.16
  6. Step 6: Final answer
    x = 89,511,102.33

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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.