Home / 55,178,083.60-82,767,125.40-31,290,211.60

Finding the Fourth Proportional to 55,178,083.60, 82,767,125.40 and 31,290,211.60

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Solution

The fourth proportional to 55,178,083.60, 82,767,125.40 and 31,290,211.60 is: 46,935,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,178,083.60 : 82,767,125.40 = 31,290,211.60 : x
  2. Step 2: Convert to fraction form
    55,178,083.60/82,767,125.40 = 31,290,211.60/x
  3. Step 3: Cross multiply
    55,178,083.60x = 82,767,125.40 × 31,290,211.60
  4. Step 4: Simplify right side
    55,178,083.60x = 2,589,800,867,289,735
  5. Step 5: Solve for x
    x = 2,589,800,867,289,735/55,178,083.60
  6. Step 6: Final answer
    x = 46,935,317.40

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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.