Home / 66,113,828.20-99,170,742.30-55,532,247.40

Finding the Fourth Proportional to 66,113,828.20, 99,170,742.30 and 55,532,247.40

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Solution

The fourth proportional to 66,113,828.20, 99,170,742.30 and 55,532,247.40 is: 83,298,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,113,828.20 : 99,170,742.30 = 55,532,247.40 : x
  2. Step 2: Convert to fraction form
    66,113,828.20/99,170,742.30 = 55,532,247.40/x
  3. Step 3: Cross multiply
    66,113,828.20x = 99,170,742.30 × 55,532,247.40
  4. Step 4: Simplify right side
    66,113,828.20x = 5,507,174,196,245,245
  5. Step 5: Solve for x
    x = 5,507,174,196,245,245/66,113,828.20
  6. Step 6: Final answer
    x = 83,298,371.10

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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.