Home / 119,783,939.44-165,302,331.48-64,779,794.80

Finding the Fourth Proportional to 119,783,939.44, 165,302,331.48 and 64,779,794.80

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Solution

The fourth proportional to 119,783,939.44, 165,302,331.48 and 64,779,794.80 is: 89,396,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,783,939.44 : 165,302,331.48 = 64,779,794.80 : x
  2. Step 2: Convert to fraction form
    119,783,939.44/165,302,331.48 = 64,779,794.80/x
  3. Step 3: Cross multiply
    119,783,939.44x = 165,302,331.48 × 64,779,794.80
  4. Step 4: Simplify right side
    119,783,939.44x = 10,708,251,113,235,980
  5. Step 5: Solve for x
    x = 10,708,251,113,235,980/119,783,939.44
  6. Step 6: Final answer
    x = 89,396,384.55

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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.