Home / 65,699,463.11-90,665,849.15-36,332,784.32

Finding the Fourth Proportional to 65,699,463.11, 90,665,849.15 and 36,332,784.32

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Solution

The fourth proportional to 65,699,463.11, 90,665,849.15 and 36,332,784.32 is: 50,139,568.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,699,463.11 : 90,665,849.15 = 36,332,784.32 : x
  2. Step 2: Convert to fraction form
    65,699,463.11/90,665,849.15 = 36,332,784.32/x
  3. Step 3: Cross multiply
    65,699,463.11x = 90,665,849.15 × 36,332,784.32
  4. Step 4: Simplify right side
    65,699,463.11x = 3,294,142,741,721,612
  5. Step 5: Solve for x
    x = 3,294,142,741,721,612/65,699,463.11
  6. Step 6: Final answer
    x = 50,139,568.67

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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.