Home / 55,577,363.11-76,697,211.42-30,797,963.86

Finding the Fourth Proportional to 55,577,363.11, 76,697,211.42 and 30,797,963.86

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Solution

The fourth proportional to 55,577,363.11, 76,697,211.42 and 30,797,963.86 is: 42,501,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,577,363.11 : 76,697,211.42 = 30,797,963.86 : x
  2. Step 2: Convert to fraction form
    55,577,363.11/76,697,211.42 = 30,797,963.86/x
  3. Step 3: Cross multiply
    55,577,363.11x = 76,697,211.42 × 30,797,963.86
  4. Step 4: Simplify right side
    55,577,363.11x = 2,362,117,945,475,939.50
  5. Step 5: Solve for x
    x = 2,362,117,945,475,939.50/55,577,363.11
  6. Step 6: Final answer
    x = 42,501,439.67

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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.