Home / 119,617,354.64-165,072,021.72-64,613,235.44

Finding the Fourth Proportional to 119,617,354.64, 165,072,021.72 and 64,613,235.44

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Solution

The fourth proportional to 119,617,354.64, 165,072,021.72 and 64,613,235.44 is: 89,166,303.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,617,354.64 : 165,072,021.72 = 64,613,235.44 : x
  2. Step 2: Convert to fraction form
    119,617,354.64/165,072,021.72 = 64,613,235.44/x
  3. Step 3: Cross multiply
    119,617,354.64x = 165,072,021.72 × 64,613,235.44
  4. Step 4: Simplify right side
    119,617,354.64x = 10,665,837,403,951,154
  5. Step 5: Solve for x
    x = 10,665,837,403,951,154/119,617,354.64
  6. Step 6: Final answer
    x = 89,166,303.97

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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.