Home / 119,783,945.44-165,302,339.76-64,779,800.80

Finding the Fourth Proportional to 119,783,945.44, 165,302,339.76 and 64,779,800.80

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Solution

The fourth proportional to 119,783,945.44, 165,302,339.76 and 64,779,800.80 is: 89,396,392.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,783,945.44 : 165,302,339.76 = 64,779,800.80 : x
  2. Step 2: Convert to fraction form
    119,783,945.44/165,302,339.76 = 64,779,800.80/x
  3. Step 3: Cross multiply
    119,783,945.44x = 165,302,339.76 × 64,779,800.80
  4. Step 4: Simplify right side
    119,783,945.44x = 10,708,252,641,426,718
  5. Step 5: Solve for x
    x = 10,708,252,641,426,718/119,783,945.44
  6. Step 6: Final answer
    x = 89,396,392.83

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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.