Home / 65,684,930.76-90,643,606.74-36,315,506.88

Finding the Fourth Proportional to 65,684,930.76, 90,643,606.74 and 36,315,506.88

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Solution

The fourth proportional to 65,684,930.76, 90,643,606.74 and 36,315,506.88 is: 50,114,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,684,930.76 : 90,643,606.74 = 36,315,506.88 : x
  2. Step 2: Convert to fraction form
    65,684,930.76/90,643,606.74 = 36,315,506.88/x
  3. Step 3: Cross multiply
    65,684,930.76x = 90,643,606.74 × 36,315,506.88
  4. Step 4: Simplify right side
    65,684,930.76x = 3,291,768,524,194,484.50
  5. Step 5: Solve for x
    x = 3,291,768,524,194,484.50/65,684,930.76
  6. Step 6: Final answer
    x = 50,114,516.16

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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.