Home / 55,334,141.10-83,001,211.65-54,578,313.90

Finding the Fourth Proportional to 55,334,141.10, 83,001,211.65 and 54,578,313.90

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Solution

The fourth proportional to 55,334,141.10, 83,001,211.65 and 54,578,313.90 is: 81,867,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,334,141.10 : 83,001,211.65 = 54,578,313.90 : x
  2. Step 2: Convert to fraction form
    55,334,141.10/83,001,211.65 = 54,578,313.90/x
  3. Step 3: Cross multiply
    55,334,141.10x = 83,001,211.65 × 54,578,313.90
  4. Step 4: Simplify right side
    55,334,141.10x = 4,530,066,183,514,037
  5. Step 5: Solve for x
    x = 4,530,066,183,514,037/55,334,141.10
  6. Step 6: Final answer
    x = 81,867,470.85

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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.