Home / 55,710,835.38-83,589,874.29-26,978,379.30

Finding the Fourth Proportional to 55,710,835.38, 83,589,874.29 and 26,978,379.30

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Solution

The fourth proportional to 55,710,835.38, 83,589,874.29 and 26,978,379.30 is: 40,479,007.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,710,835.38 : 83,589,874.29 = 26,978,379.30 : x
  2. Step 2: Convert to fraction form
    55,710,835.38/83,589,874.29 = 26,978,379.30/x
  3. Step 3: Cross multiply
    55,710,835.38x = 83,589,874.29 × 26,978,379.30
  4. Step 4: Simplify right side
    55,710,835.38x = 2,255,119,334,234,938.50
  5. Step 5: Solve for x
    x = 2,255,119,334,234,938.50/55,710,835.38
  6. Step 6: Final answer
    x = 40,479,007.70

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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.